This physics video tutorial explains the basics of AC circuits. It shows you how to calculate the capacitive reactance, inductive reactance, impedance of an RLC circuit and how to determine the resonant frequency as well as the phase angle and the power dissipated in the circuit. This physics video has plenty of examples and practice problems for you to work on.
Here is a list of topics:
1. AC Circuits Basics - Peak Voltage and RMS Current
2. Inductive Reactance vs Capacitive Reactance
3. Direct Relationship of Frequency and Inductive Reactance
4. Inverse Relationship of Frequency and Capacitive Reactance
5. RL Circuits Problems - Impedance Calculations
6. RC Circuits - Power Dissipated in Resistor
7. Impedance of RLC Circuit
8. Calculating the Voltage across a Resistor, Capacitor and an Inductor
9. Resistance, Capacitance, & Inductance
10. Impedance Explained
11. Impedance vs Resistance
12. Power Factor Explained
13. Resonant Frequency Explained
14. LC Circuit Resonance
15. Phase Angle - Inverse Tangent Formula
16.

Views: 208086
The Organic Chemistry Tutor

This is just a few minutes of a complete course.
Get full lessons & more subjects at: http://www.MathTutorDVD.com.
In this lesson the student will learn how to perform source transformations in order to solve AC Circuits. We will learn that the math is the same in the AC case as it was in the DC case with the exception is that we have impedances in the circuit instead of resistors.

Views: 70760
mathtutordvd

Solving circuits with differential equations is hard. If we limit ourselves to sinusoidal input signals, a whole new method of AC analysis emerges.

Views: 117145
Khan Academy

Visit http://ilectureonline.com for more math and science lectures!
In this video I will show the 1st, nodal analysis, of the 6 methods to find the voltage at a single node, V=?, and the currents at each branch, I1=?, I2=?, I3=?, of a circuit with a current source, voltage source, resistor, capacitor, inductor, and a single node.
Next video in this series can be seen at:
https://youtu.be/8OQJIqkL5h4

Views: 13371
Michel van Biezen

This is just a few minutes of a complete course.
Get full lessons & more subjects at: http://www.MathTutorDVD.com.
Learn about power calculations in AC (alternating current) circuits. We will discuss instantaneous power and how it is calculated when the current and voltage are sinusoidal.

Views: 56884
mathtutordvd

AC Circuits use Complex Numbers to solve Circuits

Views: 164438
Red River College - Tutoring

This is just a few minutes of a complete course.
Get full lessons & more subjects at: http://www.MathTutorDVD.com.
In this lesson, the student will learn what alternating current is in circuit theory.

Views: 20973
mathtutordvd

Want more Crash Course in person? We'll be at NerdCon: Nerdfighteria in Boston on February 25th and 26th! For more information, go to http://www.nerdconnerdfighteria.com/
We've talked about AC Circuits, but now it's time to delve into the world of AC Circuits (or Alternating Currents). We’ve talked about how they change voltage, which helps transmit electricity over long distances, but there’s so much more to the physics of AC circuitry.
***
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Views: 279122
CrashCourse

This is just a few minutes of a complete course.
Get full lessons & more subjects at: http://www.MathTutorDVD.com.

Views: 8382
mathtutordvd

In this lesson we'll introduce basic AC circuit analysis techniques. We'll learn that Ohm’s Law and the power equations are valid for sources that vary not only magnitude but also polarity as a function of time. Additionally, we'll learn to calculate average power and effective voltage and effective current values for AC waveforms. (Part 2 of 2)
For more ** FREE ** online technical training check out the following playlists available at the bigbadtech channel:
Basic Electronics 1: DC Circuit Analysis https://www.youtube.com/playlist?list=PLdnqjKaksr8qQ9w3XY5zFXQ2H-zXQFMlI
Hydraulics https://www.youtube.com/playlist?list=PLdnqjKaksr8ruhw85YYSSO6EWLhVVmSKm
Motor Control https://www.youtube.com/playlist?list=PLdnqjKaksr8qRPCFkU2Q8XQe0bfo99rs6
Motors and Generators https://www.youtube.com/playlist?list=PLdnqjKaksr8oba07pG-nE1Omy1_mabMtI
Motor Drives/Variable Frequency Drives (VFD) https://www.youtube.com/playlist?list=PLdnqjKaksr8qruLl85Uq3em62PjXlSNUF
Programmable Logic Controllers (PLCs) https://www.youtube.com/playlist?list=PLdnqjKaksr8qxlMYRVTF2YzTm6RwtA7pc
A free study guide for this lecture is available at: https://www.cgcc.edu/study-guides

Views: 13145
Jim Pytel

We will use a cool method of describing the oscillation of current and voltage called phasors, which are fixed-length vectors that rotate at a constant frequency. It will be very fun. Yes, really.

Views: 496760
Doc Schuster

Get the full course at MathTutorDVD.com. In this lesson the student will learn how to calculate Thevenin Equivalent circuits in the AC Phasor domain. We will solve this problem step-by-step to build skills and discuss the theory along the way.

Views: 92966
mathtutordvd

Visit http://ilectureonline.com for more math and science lectures!
In this video I will start a new playlist in electrical engineering in AC circuit analysis in sinusoidal (alternating) voltage and current sources with phase angles. Sinusoidal circuits are circuits in series and parallel that have voltage sources and current sources that alternate in time.
Next video in this series can be seen at:
https://youtu.be/VwPGferyow8

Views: 12922
Michel van Biezen

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Views: 90557
GATEMATIC Education

In this video, phasor, and Phasor Diagram for AC circuits have been explained. And at the end, voltage and current relationship between the basic circuit elements like resistor, inductor, and capacitor has been explained using phasor diagram.
What is Phasor?
Phasor is one of the ways by which we can represent AC sinusoidal signals and we can perform arithmetic operations onto these sinusoidal signals.
Phasor is rotating the vector, which rotates around its origin at angular speed w rad/sec in anti-clockwise direction. The length of this vector represents the maximum amplitude of the sinusoidal signal and the angular velocity represents the angular frequency of the sinusoidal signal.
When phasors are represented on phasor diagram they are represented by only amplitude and phase of sinusoidal signals.
(Frequency is not represented because phasor diagram is used for signals which have same frequency but different phase and amplitude)
What is phasor diagram?
As its name suggests, phasor diagram is used to represent the phase difference between the sinusoidal signals which have the same frequency but different phase and amplitude.
Using this phasor diagram, it is easy to analyze different sinusoidal signal signals which have the same frequency.
Mathematically these phasors can be represented in three different forms.
1) Polar Form
2) Rectangular Form
3) Exponential Form
In this video, it has been shown that how to represent phasor in this three forms.
And at the end, voltage and current relationship between the basic circuit elements like resistor, inductor, and capacitor has been explained using phasor diagram.
1) Resistor: For resistor, Voltage and current will be in phase
2) Inductor: For inductor, voltage will lead the current by 90 degree
3) Capacitor: For capacitor, current will lead the voltage by 90 degree
Timestamps for the different topics in the video is given below:
0:20 What is Phasor and Phasor Diagram
5:24 Mathematical representation of Phasor in different ways
6:40 Voltage and Current Relationship in Resistor using phasor diagram
7:53 Voltage and Current Relationship in Inductor using phasor diagram
10:03 Voltage and Current Relationship in capacitor using phasor diagram
11:57 Summary and simple trick to remember V-I relationship for basic circuit elements.
This video will be helpful to all students in understanding the concept of phasor and phasor diagram in the AC circuits.
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Music Credit:
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Views: 88678
ALL ABOUT ELECTRONICS

Topics Covered:
- Concept of nodal analysis for AC circuit
- Steps for solving ac circuit using nodal analysis
- Complete solution of the circuit using nodal analysis

Views: 40441
EE Academy

Visit http://ilectureonline.com for more math and science lectures!
In this video I will give an overview the top-level 6 techniques (strategies) to solve AC circuits or sinusoidally variant circuits. Part 1: techniques 1-3. 1. Nodal Analysis, 2. Mesh Analysis, 3. Super Position Theorem.
Next video in this series can be seen at:
https://youtu.be/8fvVB1cOPTg

Views: 7266
Michel van Biezen

Set you phasors to stun as we attack an RC circuit with a steady-state sinusoidal input.

Views: 119161
Matthew Araujo

AC steady state response .
Circuit analysis is the process of finding all the currents and voltages in a network of connected components. We look at the basic elements used to build circuits, and find out what happens when elements are connected together into a circuit.
-~-~~-~~~-~~-~-
TRANSFORMER LECTURE PLAYLIST
https://www.youtube.com/playlist?list=PLcfLA7OC7JIm6DrkGmRD4eB4fXQnchMFy
SIGNAL AND SYSTEM LECTURE
https://www.youtube.com/playlist?list=PLcfLA7OC7JInvUXVFdsuoZN0xwp0FWTBt
NETWORK THEORY LECTURES
https://www.youtube.com/playlist?list=PLcfLA7OC7JIn49DAn80u0ahqL2ecdwjlJ
MAGNETIC CIRCUIT LECTURE
https://www.youtube.com/playlist?list=PLcfLA7OC7JInhwRLRKbBDzdx1kJk4_UQ-
TWO PORT NETWORK
https://www.youtube.com/playlist?list=PLcfLA7OC7JInncpqsNFR9tA8iMXt3XblH
AC CIRCUIT ANALYSIS
https://www.youtube.com/playlist?list=PLcfLA7OC7JInNO5bejTlfHZIE1lBAF_MF
PHASOR ANALYSIS OF AC CIRCUIT
https://www.youtube.com/playlist?list=PLcfLA7OC7JIljlB-P5DezQrHndo1Hpx-J
NETWORK THEOREM
https://www.youtube.com/playlist?list=PLcfLA7OC7JInEEFzLgLtJ0bC22EhQqwt9
-~-~~-~~~-~~-~-

Views: 15133
Vishwesh academy

This video gives a description of what AC analysis is, how it can be separated from DC analysis and how to create an AC model of a BJT circuit.

Views: 160935
David Williams

Get the full course at http://www.MathTutorDVD.com
In this lesson, you will learn about the delta-delta three phase circuit configuration and learn how to analyze circuits of this type.

Views: 10292
mathtutordvd

Important for SSC JE and other state level exam.

Views: 11757
ENGINEERING ACADEMY DEHRADUN

Here's a preview of how AC analysis is going to work. To get ready we need to review some of the ideas from trig and complex numbers.

Views: 43736
Khan Academy

The general notion of the ratio of a sinusoidal voltage to a sinusoidal current is called "impedance". We derive the impedance of a resistor, inductor, and capacitor. The impedance of the inductor and capacitor has a term for frequency, so the impedance of these components depends on frequency.

Views: 173130
Khan Academy

Visit http://ilectureonline.com for more math and science lectures!
In this video I will show the 2nd, mesh analysis, of the 6 methods by adding the voltages going around each mesh or loops using Kirchhoff's voltage loop analysis method to find I1=? and I2=? of a circuit with a current source, voltage source, resistor, capacitor, inductor, and a single node.
Next video in this series can be seen at:
https://youtu.be/fbHWMlfHCUE

Views: 10779
Michel van Biezen

Electrical Technology Playlist https://www.youtube.com/playlist?list=PL5fCG6TOVhr493p0Pd6M1uYh4yfbjozgJ
UNIT - 1
Millman's Theorem and Reciprocity Thm [Hindi] Electrical Technology https://youtu.be/WK7d9OynhYg
Superposition Theorem - Electrical Technology [Hindi] https://youtu.be/mfFh3c-b07w
Maximum Power Transfer Theorem - easiest explained [Hindi] https://youtu.be/-jqmPMy8hHM
Star Delta Transformation [Hindi] https://youtu.be/RRUL7vCHelo
Norton's Theorem [Hindi] - https://youtu.be/qw0QExrzoYg
Thevenin Theorem [Hindi] https://youtu.be/26PDk7-GVKg
Mesh and Nodal Analysis (P-2) [Hindi] - https://youtu.be/mAsrgDmSLx0
Mesh Analysis [Hindi] - Electrical Technology https://youtu.be/3DDm2wR1MF8
UNIT - 2
Unit 2 Introduction AC Fundamentals || Electrical Technology https://youtu.be/3u1bkWHcLgQ
AC Fundamentals - RMS and Avg. Value , Form Factor , Peak Factor https://youtu.be/Syo9a3xdVck
Phasor Representation – ET https://youtu.be/Hd1NDqmKWgU
RL , RC and RLC Circuit – (P1) https://youtu.be/lzuwvGdfU-w
AC Through R-L Circuit (P 2) https://youtu.be/4XhdBknOVMk
AC Through R-C Circuit (P 3 ) https://youtu.be/G6BYq2RVnIk
AC Through R-L-C Circuit (P-4) https://youtu.be/w5KstDG01E4
Quality Factor , Power Factor , Apparent ,True and Reactive Power https://youtu.be/r6PVrppnMR4
UNIT -3
Unit 3 Electrical Technology Introduction https://youtu.be/ER7jkASxUJc
Basics of Measuring Instruments and Types https://youtu.be/bQGlmvjCFoo
Moving Coil Instruments - Electrical Technology https://youtu.be/64dLk7dW-lo
Moving Iron Instruments - Attraction Type https://youtu.be/nuqzLK6oIsk
Moving Iron Instruments - Repulsion Type https://youtu.be/n1EWmcvpdOI
Extension Of Instrument Range - unit 3 ET https://youtu.be/YDtFcePcN1I
Extension Of Instrument Range Numericals https://youtu.be/wxS1ZY_8dD4
Dynamometer Type Wattmeter - Electrical Technology https://youtu.be/Zfgs33Adsa8
Induction Type Energy Meter II Electrical Technology II Unit 3 https://youtu.be/BRJ9azr61OA
Two Wattmeter Method - 3 Phase Power Measurement https://youtu.be/PLfiPC_Fn5A
Two Wattmeter Method || Balanced Load https://youtu.be/AavFPbKIb8A
UNIT – 4
UNIT 4 Introduction Electrical Technology https://youtu.be/u_TcKRbTN0Y
Fundamentals Of Magnetic Circuits - Unit 4 ET https://youtu.be/9zRodZ2Bj4c
Single Phase Transformer - Principle and EMF equation https://youtu.be/PD8QWCyBR5M
Single Phase Transformer - Equivalent Circuit https://youtu.be/ftPRP3EHxoI
Voltage Regulation and Efficiency Of Transformer https://youtu.be/vbYl9-LkHDs

Views: 35160
Study Buddy

This example shows step-by-step process of drawing Thevenin and Norton Equivalent AC Circuit with AC source

Views: 28148
EE Academy

Kirchhoff current law KCL & KVL for AC circuits analysis is explained in this video. Kirchhoff's first law KCL concept for combinations of the load is explained. As per Kirchhoff’s current law ( KCL), the sum of currents flowing into a node or junction in an electrical circuit is equal to the sum of currents flowing out of that node or junction. In other words, the sum of the total currents flowing towards node or junction is zero. In the case of AC current with inductors, resistor and capacitors in the circuit, the summation of the current should be done in vector form or instantaneous value. Kirchoff's second law is also explained for AC circuit. Educational tutorial on electrical engineering 241 by G K Agrawal.
The lecture is given by a person with industrial experience and useful for electrical, electronic communication and power electronics engineering students, project work and also Physics students.
Also, watch Gravitational force
https://www.youtube.com/watch?v=a4m5r98I2Ds
https://www.youtube.com/watch?v=1pRshNqS16I
https://www.youtube.com/watch?v=XsdGr49UVTg
https://www.youtube.com/watch?v=puSQj28cuNQ
#gkagrawal #Physics #KCl #ACSupply #KVL #gkagrawalVideo

Views: 10064
G K Agrawal

Video Lecture Series from IIT Professors (Not Available in NPTEL)
Introduction to Electronic Circuits by Prof. S.C. Dutta Roy
For More Video Lectures .... www.satishkashyap.com
For free ebooks .... www.ebook29.blogspot.com
1 Introduction to the course and Basic Electrical Quantity
2 RLC Components Energy Consideration Sources and Circuit Laws
3 KCL, KVL & Networks Analysis
4 Network Theorems (Thevenin's/Norton's)
5 Source Transformation, Superposition Theorem and Non- Linear One-Ports
6 Signal Wave Forms
7 Periodic Wave Forms & Elements of Amplifiers
8 Operational Amplifiers & Diodes
9 Rectifiers and Power Supplies
10 AC Circuit Analysis
11 Semiconductor Physics
12 Semiconductor Physics (Contd.)
13 More About Diodes including Zener Diodes
14 Bipolar Junction Transistors
15 Transistors Characteristics & Biasing
16 BJT biasing & Introduction to Power Amplifier
17 BJT Power Amplifiers
18 Power Amplifiers
19 Power Amplifiers (contd) and an Introduction to Small Signal Modeling of BJT
20 Small Signal Model & Small Signal Amplifiers
21 Small Signal Amplifiers (Contd.)
22 Small Signal Amplifier (Cont.)
23 Small Signal Amplifiers (Contd.)
24 Negative Feedback
25 Digital Circuits
26 Digital Circuits (Contd.)
27 High Frequency Response of Small Signal Amplifiers
28 High Frequency Response of Small Signal Amplifiers (Contd)
29 Low Frequency Response of Small Signal Amplifiers
30 Problem Session -- 5 on Frequency Response of Small Signal Amplifiers
31 Class B, Class AB and Class A Power Amplifiers
32 Class A Power Amplifiers; Efficiency Considerations
33 Problem Session -- 7 on Differential and Power Amplifiers
34 Introduction to Feedback Amplifiers
35 Advantages of Negative Feedback Amplifiers
36 Analysis of Feedback Amplifiers
37 Analysis of the Series -- Series and Other Feedback Configurations
38 Problem Session -- 8 on Feedback Amplifiers
39 Tuned (or Narrowband) Amplifiers
40 Problem Session -- 10 on Tuned Amplifiers
41 Op-Amp offsets, Compensations & Slew Rate
42 Op-Amp Compensation, Slew Rate and Some Problems

Views: 29454
Satish Kashyap

Visit http://ilectureonline.com for more math and science lectures!
In this video I will show the 3rd, superposition, of the 6 methods where we remove each source one at a time and solve the circuit with that source “removed” to find the current, I2=IA-IB?, through the inductor of a circuit with a current source, voltage source, resistor, capacitor, inductor, and a single node.
Next video in this series can be seen at:
https://youtu.be/3Wz24_TrvyA

Views: 7583
Michel van Biezen

Visit http://ilectureonline.com for more math and science lectures!
In this video I will find the voltage, V=?, using the nodal analysis method, at the node given an input (source) voltage and another source voltage within the circuit.
Next video in this series can be seen at:
https://youtu.be/dmoAiXvbn-4

Views: 3595
Michel van Biezen

In this lesson we'll introduce basic AC circuit analysis techniques. We'll learn that Ohm’s Law and the power equations are valid for sources that vary not only magnitude but also polarity as a function of time. Additionally, we'll learn to calculate average power and effective voltage and effective current values for AC waveforms. (Part 1 of 2)
For more ** FREE ** online technical training check out the following playlists available at the bigbadtech channel:
Basic Electronics 1: DC Circuit Analysis https://www.youtube.com/playlist?list=PLdnqjKaksr8qQ9w3XY5zFXQ2H-zXQFMlI
Hydraulics https://www.youtube.com/playlist?list=PLdnqjKaksr8ruhw85YYSSO6EWLhVVmSKm
Motor Control https://www.youtube.com/playlist?list=PLdnqjKaksr8qRPCFkU2Q8XQe0bfo99rs6
Motors and Generators https://www.youtube.com/playlist?list=PLdnqjKaksr8oba07pG-nE1Omy1_mabMtI
Motor Drives/Variable Frequency Drives (VFD) https://www.youtube.com/playlist?list=PLdnqjKaksr8qruLl85Uq3em62PjXlSNUF
Programmable Logic Controllers (PLCs) https://www.youtube.com/playlist?list=PLdnqjKaksr8qxlMYRVTF2YzTm6RwtA7pc
A free study guide for this lecture is available at: https://www.cgcc.edu/study-guides

Views: 519
Jim Pytel

Analyzes a circuit using nodal analysis find an output voltage using AC steady State techniques. More instructional engineering videos can be found at http://www.engineeringvideos.org.
This video is licensed under the Creative Commons BY-SA license http://creativecommons.org/licenses/by-sa/3.0/us/.

Views: 71434
Darryl Morrell

Visit http://ilectureonline.com for more math and science lectures!
In this video I will show the 4th, source transformation, of the 6 methods to find the current, I2=?, by changing the current source parallel to the inductor into an equivalent circuit of voltage source in series to the inductor.
Next video in this series can be seen at:
https://youtu.be/D1Pt9Gl_jz4

Views: 4268
Michel van Biezen

Pre-book Pen Drive and G Drive at
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GATE ACADEMY launches its products for GATE/ESE/UGC-NET aspirants.
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Views: 54929
GATE ACADEMY

This video works through a problem involving a circuit with resistor, capacitor, and inductor with sinusoidal (AC) sources.
University of California, Davis
ENG17: Circuits I, Spring Quarter 2015
Instructor: Dr. Kyle Montgomery
Course Website: http://www.kmontgomery.net/teaching/eng17/

Views: 11947
Dr. Montgomery

This is just a few minutes of a complete course.
Get full lessons & more subjects at: http://www.MathTutorDVD.com.

Views: 6414
mathtutordvd

Visit http://ilectureonline.com for more math and science lectures!
In this video I will show the 5th, Thevenin theorem, of the 6 methods where the current, I2=?, the portion of the load impedance is remove and short the voltage source and leave open the voltage source.
Next video in this series can be seen at:
https://youtu.be/3VISFtK6VQ8

Views: 6175
Michel van Biezen

Video Lecture on Behaviour of AC parallel Circuits of Chapter AC Circuits Analysis of Subject Basic Electrical Engineering for First-Year Engineering Students.
To Access Complete Course of Basic Electrical Engineering Basic Electrical Engineering (Mumbai University - Mechanical Engineering - SEM I) Click Below:-
http://www.ekeeda.com/course/SEM-I/Mumbai-University/Mechanical-Engineering/Basic-Electrical-Engineering/114
Watch Previous Videos of Playlist of Basic Electrical Engineering:-
1) Resonance in Series RLC Circuit - AC Circuits - Basic Electrical Engineering - First Year - https://www.youtube.com/watch?v=tGMH4fCpplA
2) Resonance in Series RLC Circuit - Problem 1 - AC Circuits - Basic Electrical Engineering - https://www.youtube.com/watch?v=lksKs5YkmTk
Watch Next Videos of Playlist of Basic Electrical Engineering:-
1) Parallel AC Circuits - Problem 1 - AC Circuits - Basic Electrical Engineering - First Year - https://youtu.be/rPEOY7Qe1_w
2) Parallel AC Circuits - Problem 2 - AC Circuits - Basic Electrical Engineering - First Year - https://youtu.be/mh9g47QrTww
Access the complete playlist of Basic Electrical Engineering:- http://gg.gg/Basic-Electrical-Engineering
Access the complete playlist of AC Circuit:- http://gg.gg/AC-Circuit
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Happy Learning : )

Views: 15068
Ekeeda

Get this full course at http://www.MathTutorDVD.com.
In this lesson you will learn about power analysis in AC circuit analysis. Here we discuss Reactive power with an inductive Load. We will learn how the energy from the circuit is stored in the magnetic field of the inductor and later in the cycle the energy is extracted from the magnetic field. The student will learn the difference between real and reactive power. We will also discuss how reactive power is involved in power factor calculations.
-----------------------
hello welcome to this lesson in AC
circuit analysis.
the title of this
lesson is called reactive power with an
inductive load so we're going to talk
about the concept of reactive power here
and we're going to be talking about the
concept when that applies to having an
inductor inside of the load.
and the last
section we had just a resistive Network
just resistors and we talked to in great
detail about what's going on with the
power when we just have resistors so if
you haven't watched that section go back
and watch it and you to reacquaint
yourself what's happening with resistive
Network is we have an a nonzero average
we have an average amount of power
delivered to that resistor and the it's
it's oscillating the instantaneous power.
is oscillating up and down but it's
always positive and so there's always an
average value when you have a resistive
Network here we'll talk about what
happens we have inductive loads the next
section we'll talk about what happens we
have capacitive loads really excited to
teach this because up until now we talk
about resistors everyone can wrap your
brain around resistors right because
resistors are kind of the easiest thing
to understand circuits they obey Ohm's
law is equal to IR and you have some
kind of familiarity with with what's
going to happen when the sinusoids go up
and down and things are in phase you.
know the current the voltage are in
phase so it's kind of even though there
was a lot of math in the last section it
was very easy to follow i think if you
watch it enough times and study it
enough times what's really happening
with a resistor but when you have
inductors and when you have capacitor
suddenly the current and the voltage
across those things are no longer in
phase and things get a little bit murky
so we're going to take it slow
we're not doing problems are going to
theory for the next few sections and
when you get to your problems you'll
understand these terms you'll understand
what's really happening
so let's revisit this is what I call the
granddaddy power equation i'm going to
leave it on the board for very for a
great many sections its instantaneous
power so if you start the stopwatch and
time marches on this is the time
dependence here this is a constant term
these this is the time dependence you
stick in the numbers with your phase
angles for the current the voltage which
is going to be governed by your circuit
that you have and this is going to be
some kind of sinusoid overtime and it's
telling you that the instantaneous power
is always changing but we want to zero
in on the case when we have just an
inductive load what's going to happen
when there's just an end.
after inside the box last section we
talked about what happens when there's a
capacitor in the box now we're going to
talk about if the load is purely
inductive what happens and i can tell
you right now actually it's something
really cool that happens and I i find
this stuff really fascinated with
circuit analysis so this is some of the
reasons i'm really excited about
teaching it right the first thing you
need to remember there's very very few
things I tell you in circuit theory to
just remember right one of them's Ohm's
law is equal to IR right you have to
know that some of the real basic power
equations just memorize them what I'm
going to tell you here is something you
should just remember when you have a
purely inductive load all right
the current ok crossing through that
inductor lags the voltage by 90 degrees
exactly the current lags the voltage and
an inductor or across an inductor by
exactly 90 degrees current lags the
voltage by 90 degrees i'm going to show
you how to prove that to yourself but
just remember it because if you can just
remember it that these few little things
I tell you to remember it's going to
make your life so much easier
so let's go down here and write that
down and I'll explain what i'm talking
about the current lags the voltage by
I'm gonna put the word exactly 90
degrees and i'll give you a hint when we
get two capacitors it's also going to be
90 degrees but the current is not gonna
lag the voltage a capacitor the current
will lead the voltage by 90 degrees so
the 90 degrees part is going to be easy
to remember the leading versus the
lagging is what always confused me when.

Views: 48593
mathtutordvd

Visit http://ilectureonline.com for more math and science lectures!
In this video I will find the voltages, V1=? and V2=?, using the nodal analysis method, at node1 and node2 using the nodal analysis method.
Next video in this series can be seen at:

Views: 4395
Michel van Biezen

This is just a few minutes of a complete course.
Get full lessons & more subjects at: http://www.MathTutorDVD.com.

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mathtutordvd

Views: 7979
mathtutordvd

Dear students Welcome to HELP TV LECTURE 26 of ELECTRICAL ENGINEERING.In this lecture i will discuss AC through RLC circuits in Ac circuit analysis.In a series RLC circuit containing a resistor, an inductor and a capacitor the source voltage VS is the phasor sum made up of three components, VR, VL and VC with the current common to all three. The impedance of the circuit is the total opposition to the flow of current.The contents we cover in this lecture are :
►Ac circuit analysis
►RLC circuit
►total voltage in RLC circuit
►Phase diagram in RLC circuit
►Impidence in RLC circuit
►Power and power triangle in RLC circuit
I hope You learn from this lecture .Thanks for Watching.
If You want to learn more concepts of electrical engineering watch more lectures at :
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Views: 4973
Help Tv

In this lesson we'll examine series-parallel AC circuit analysis techniques by way of a collection of illustrated example problems. (Full Lecture)
For more ** FREE ** online technical training check out the following playlists available at the bigbadtech channel:
Basic Electronics 1: DC Circuit Analysis https://www.youtube.com/playlist?list=PLdnqjKaksr8qQ9w3XY5zFXQ2H-zXQFMlI
Hydraulics https://www.youtube.com/playlist?list=PLdnqjKaksr8ruhw85YYSSO6EWLhVVmSKm
Motor Control https://www.youtube.com/playlist?list=PLdnqjKaksr8qRPCFkU2Q8XQe0bfo99rs6
Motors and Generators https://www.youtube.com/playlist?list=PLdnqjKaksr8oba07pG-nE1Omy1_mabMtI
Motor Drives/Variable Frequency Drives (VFD) https://www.youtube.com/playlist?list=PLdnqjKaksr8qruLl85Uq3em62PjXlSNUF
Programmable Logic Controllers (PLCs) https://www.youtube.com/playlist?list=PLdnqjKaksr8qxlMYRVTF2YzTm6RwtA7pc
A free study guide for this lecture is available at: https://www.cgcc.edu/study-guides

Views: 600
Jim Pytel

Visit http://ilectureonline.com for more math and science lectures!
In this video I will give an overview the top-level 6 techniques (strategies) to solve AC circuits or sinusoidally variant circuits. Part 2: techniques 4-6. 4. Source Transformation, 2. Thevenin Equivalent, 6. Norton Equivalent Circuit.
Next video in this series can be seen at:
https://youtu.be/DkFuFuPG6i0

Views: 4842
Michel van Biezen

এ.সি সার্কিট লেকচার-০১ (Introduction of A.C Circuit)Lecture-01
#Lecture covered
#what is ac circuit ?
#parameter of ac circuit
#Difference between ac and dc circuit
# advantages and disadvantages of Ac circuit.
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Tech Lab Bangladesh

Once the impedance is found in a circuit you have basically unlocked the whole thing. This video is a complete walkthrough of a series RL circuit.

Views: 16875
The Electric Academy

Video Lecture on AC Through Series RC Circuit of Chapter AC Circuits Analysis of Subject Basic Electrical Engineering for First-Year Engineering Students.
To Access Complete Course of Basic Electrical Engineering Basic Electrical Engineering (Mumbai University - Mechanical Engineering - SEM I) Click Below:-
http://www.ekeeda.com/course/SEM-I/Mumbai-University/Mechanical-Engineering/Basic-Electrical-Engineering/114
Watch Previous Videos of Playlist of Basic Electrical Engineering:-
1) AC Through Series RL Circuit - AC Circuits - Basic Electrical Engineering - First Year Engineering - https://www.youtube.com/watch?v=SPKUKW3RO4c
2) AC Through Series RL Circuit - Problem 1 - AC Circuits - Basic Electrical Engineering - https://youtu.be/mWxORXTUofk
Watch Next Videos of Playlist of Basic Electrical Engineering:-
1) AC Through Series RC Circuit - Problem 1 - AC Circuits - Basic Electrical Engineering - First Year - https://youtu.be/3VK64kygDPw
2) AC Through Series RLC Circuit - AC Circuits - Basic Electrical Engineering - First Year - https://www.youtube.com/watch?v=2834jBZ0TVc
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Views: 16280
Ekeeda