An electric device which runs at 80 volt d.c. and consumes 10 A is connected to 100 V, 50 Hz a.c. supply through a choke. Calculate the inductance of the choke for safe working of the device.

An electric lamp which runs at 80 volt d.c. and consumes 10 ampere is connected to 100 volt, 50 Hz a.c. mains. Calculate the inductance of the choke required.

An electric lamp which runs at 40V and consumes 10A current is connected to AC mains at 100V, 50Hz supply. Calculate the inductance of the required choke for lamp to glow at full brightness.

A 80 V - 800 W heater is to be operated on a 100 V - 50 Hz a.c. supply. Calculate the inductance of the choke required.

An eletric lamp which runs 100 V d.c and 10-A currect is connected to 200 V ,50 cycle AC mains .Calcualate the inducatance of the choke required.

An electric lamp which runs at 100 V DC and consumes 10 A current is connected to AC mains at 150 V, 50 Hz cycles with a choke coil in series. Calculate the inductance and drop of voltage across the choke. Neglect the resistance of choke.

An electric bulb is designed to consume 55 W when operated at 110 volts. It is connected to a 220 V, 50 Hz line through a choke coil in series. What should be the inductance of the coil for which the bulb gets correct voltage?

A 200 ohm electric iron is connected to 220 V, 50 Hz a.c. supply. Calculate the average power delivered to iron.

A 44 mH inductor is connected to 220 V, 50 Hz a.c. supply. Determine rms value of current in the circuit.

A 50 Omega electric heater is connected to 100 V. 60 Hz ac sinusoidal supply.