A circuit consisting of an inductance and a resistance joined to a 200 volt supply ( A.C.) It draws a current of 10 ampere. If the power used in the circuit is 1500 watt, then the wattless current component is

A resistor and an inductor are connected to an ac supply of 120 V and 50 Hz, the current in the circuit is 3 A. If the power consumed in the circuit is 108 W, then the resistance in the circuit is

A resistor and a capacitor are connected to an ac supply of 200 V, 50 Hz, in series. The current in the circuit is 2A. If the power consumed in the circuit is 100 W then the resistance in the circuit is

A coil of 10 H inductance has a 5 Omega resistance and is connected to a 5 volt battery in series . The current in ampere in the circuit 2 seconds after the circuit is switched on is __

A coil of 10 H inductance and 5 Omega resistance is connected to 5 volt battery in series . The current in ampere in circuit 2 seconds after switched is on :-

A circuit containing an inductance and a resistance connected in series, has an AC source of 200V, 50Hz connected across it. An AC current of 10A rms flows through th ecircuit and the power loss is measured to be 1W.

A coil of 0.01 henry inductance and 1 ohm resistance is connected to 200 volt, 50 Hz ac supply. Find the impedance of the circuit and time lag between max. alternating voltage and current.

In a circuit containing an inductance of zero resistance, the current leads the applied a.c. voltage by a phase angle at