An a.c. voltage `E = E_0 sin omegat`is applied across an inductance L. Obtain an expression for the current in the circuit and hence obtain inductive reactance of the circuit .

An a.c. voltage E = E_0 sin omegat is applied across an inductance L. Obtain an expression for the current in the circuit and hence obtain the phse of the current flowing w.r.t the applied voltage.

Obtain an expression for the power in a.c. circuit containing a resistance and capacitance in series.

Write expression for current in an A.C. circuit with inductor only.

Write expression for current in a series LCR circuit with a.c. source?

An a.c. source generating a voltage E = E_0 sin omegat is connected to a capacitor of capacitance C. Find the expression for current I, flowing through it. Plot a graph of E and I versus omegat to show that the current is pi//2 ahead of the voltage.

In an a.c. circuit containing inductance

An a.c. voltage E = E_0 sin omegat is applied across a series combination of an inductor L, a capacitance C and a resistor R. Use the phasor diagram solution to obtain expressions for the impedance of the circuit.

An alternating voltage E=E_0 sin omegat is applied to a circuit containing a resistor R connected in series with a black box. The current in the circuit is found to be I = I_0 sin(omegat+pi/4) . State whether the element in the black box is a capacitor or indutor.