Derive an expression for current I passing through an AC circuit containing only inductor L. Draw a Phasor diagram and graph of v and I versus `omega t`. Explain instantaneous power and the average power.

Write the phase difference V and I in AC circuit containing only capacitor.

Obtain an equation of current for AC voltage applied to an inductor and draw a graph of V and I.

An alternating current of frequency f is flowing in a circuit containing only a inductor L. If V_0 and I_0 represent peak values of voltage and current respectively , the average power given by source to inductor is equal to ……

Ratio of power factor in two A.C. circuits (i) containing only resistance and (ii) containing only inductor is …….

Power factor of AC series circuit having resistance R and inductor L having angular frequency omega is ……..

A current of 25/pi Hz frequency is passing through an A.C. circuit having series combination of R = 100 Omega and L =2 H, the phase difference between voltage and current is …

A circuit connected with a source of 230 V, draws a current of 2A and power consumed from it is 100 W, then power factor of the circuit is …….

Current of 50/ pi Hz frequency is passing | through an A.C. circuit having series combination of resistance R = 100 Omega and inductor L = sqrt3H . The phase difference between the voltage and current is …..

Current of 50/pi Hz frequency is passing through an A.C. circuit having series combination of resistance R = 100 Omega and L = 1 H, then phase difference between voltage and current is ……….

If we consider the phasor if I in positive X-direction for an A.C. circuit which has only inductor, then the phasor of V is in ........direction .