Video Lessons - 4

Revision Notes - 4

Revision Notes - 4

Concept of e.m.f, potential difference, current, ohm’s law, resistance, resistivity, series and parallel connections, power dissipation in resistance, effect of temperature on resistance

Capacitors, with uniform and composite medium, energy stored in capacitor, R-C time constant.

Magnetic field, Faraday’s laws of Electromagnetic induction, Hysteresis and eddy current losses, energy stored in an inductor, time constant in R-L circuit.

Electromotive Force (EMF), Active and Passive Elements, Concept of Potential, Potential Difference, Ohm's Law, Resistance, Effect of Temprature on Resistance, Temprature Coefficient of Resistance, Power Dissipated in a Resistor, Series connection of Resistors, Parallel Connection of Resistors, Short Circuits and Open Circuits, and other topics.

Video Lessons - 8

Revision Notes - 1

Revision Notes - 1

Kirchhoff ’s laws, Ideal and practical voltage and current source, Mesh and Nodal analysis (super node and super mesh excluded), Source transformation, Star-delta transformation ,Superposition theorem, Thevenin’s theorem, Norton’s theorem, Maximum power transfer theorem, (Source transformation not allowed for Superposition theorem, Mesh and Nodal analysis)

Kirchhoff's Current Law, Kirchhoff's Voltage Law, Ideal Voltage Source, Ideal Current Source, Practical Voltage Source, Practical Current Source, Current Divider Rule, Voltage Divider Rule, and other topics.

Video Lessons - 5

Revision Notes - 1

Revision Notes - 1

Generation of alternating voltage and currents, RMS and Average value, form factor, crest factor, AC through resistance, inductance and capacitance.

Generation of AC, Different ways of expressing AC equation, AC Current, Average Value, RMS Value, Form Factor, Crest/Peak Factor, and other topics.

Video Lessons - 8

Revision Notes - 3

Revision Notes - 3

AC through R-L , R-C and R-L-C series and parallel circuits, phasor diagrams , power and power factor, series and parallel resonance, Q-factor and bandwidth

RL Series Circuit Analysis, Voltage across elements in RL Circuit, RC Series Circuit Analysis, Voltage across elements in RC Circuit, and other topics.

Video Lessons - 6

Revision Notes - 1

Revision Notes - 1

Three phase voltage and current generation, star and delta connections (balanced load only), relationship between phase and line currents and voltages, Phasor diagrams, Basic principle of wattmeter, measurement of power by two wattmeter method.

Generation of 3 Phase Power, Phase Sequence, Sum of Generated Voltages in 3 Phase System , Need for 3 Phase Power, and other topics.

Video Lessons - 8

Revision Notes - 1

Revision Notes - 1

Construction, working principle, Emf equation, ideal and practical transformer, transformer on no load and on load, phasor diagrams, equivalent circuit, O.C. and S.C test, Efficiency.

What is a Transformer, Why do we need Transformers, Understanding an Ideal Transformer, Voltage Ratio in Ideal Transformer, Step Up and Step Down Transformer, Auto Transformer, EMF Equation, and other topics.

Video Lessons - 7

Revision Notes - 2

Revision Notes - 2

Semiconductor diode, Diode rectifier with R load: Half wave, full wave–center tapped and bridge configuration,RMS value and average value of output voltage, ripple factor, rectification efficiency, introduction to C and L filter (no derivation). CE, CB, CC transistor configuration, CE input-output characteristics.

Understanding Diodes for use in Rectifiers, Diodes - Basic Concpets, Diode - Biasing, Ideal Diode in Forward Bias, Ideal Diode in Reverse Bias, Practical Diode in Forward Bias, Practical Diode in Reverse Bias, Diode as Switch, DC Power Supply, and other topics.

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