Derive an expression for phase angle between the applied voltage and current in a series RLC circuit .

The ratio of voltage and current in a closed circuit

In a LCR circuit, the voltage across an inductor, capacitor and resitance are 10V, 10V and 30V respectively, what is the phase difference between the applied voltage and the current in the circuit?

An ac voltage is applied to a resistance R and inductor L in series If R and the inductive reactance are both equal to 3Omega the phase difference between the applied voltage and the current in the circuit is :

Find out the phase relationship between voltage and current in a pure inductive circuit.

In a series RL circuit, the resitance and inductive reactane are the same. Then the phase difference between the voltage and current in the circuit is

A lamp consumes only 25% of the peak power in an ac circuit. The phase difference between the applied voltage and the current is