A choke coil has negligible resistance. The alternating potential drop across it is 220 volt and the current is `5 mA`. The power consumed is

A choke coil has negligible resistance. The alternating potential drop across it is 220 volts and the current is 5mA. The power consumed is

A chock coil has negligible resistance. The alternating p.d. across it, is 220V and the current is 5 mA. The power consumed is …….

An Ac circuit with f=1000 Hz consists of a cail of 200 mH and negligible resistance. Calculate the voltage across the coil, if the effective current of 5 mA is flowing.

A choke coil in a transformer of negligible resistance carries 5 mA current when it is operated at 220 V. The loss of power in the choke coil is –

A 20volts AC is applied to a circuit consisting of a resistance and a coil with negligible resistance. If the voltage across the resistance is 12V , the voltage across the coil is

A 20volts AC is applied to a circuit consisting of a resistance and a coil with negligible resistance. If the voltage across the resistance is 12V , the voltage across the coil is

A d.c motor has internal resistance 4 ohms . It is operated at 220 volts and draws 5 ampere current . The useful mechanical power developed is :-

A choke coil is preferred to a resistance for reducing current in an ac circuit because .

A choke coil is preferred to a resistance for reducing current in an ac circuit because .