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23 Cards in this Set

  • Front
  • Back
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AC

If the direction of current changes alternatively and it's magnitude changes continously wrt time.

Alternating Current

Alternating EMF

It is defined as the voltage whose magnitude and direction changes with time.

RMS Value

AC through Resistor

Wave and Phasor Diagram (Resistance)

AC through Inductor

Wave and Phasor Diagram (Inductor)

Inductive reactance

The opposing nature of inductor to the flow of AC

AC through Capacitor

Wave and Phasor Diagram (Capacitor)

Capacitive Reactance

The opposing nature of capacitor to the flow of AC

AC through LCR

Impedence

It is the total resistance of a circuit applied in the path of alternating current.

Resonance

Q-Factor

It is the measure of sharpness of LCR circuit

Significance of Q-Factor

Denotes the sharpness of tuning.


High Q-Factor indicates lower rates of energy loss and sharper peak in the current.



Average Power

Wattless Current

The current which consumes no power for its maintenance.

L-C oscillation

Energy Stored in Inductor

AC generator principle

Based on the phenomenon of electromagnetic induction

AC generator working

Transformer