A 40 W -110 V flurescent tube is to be operated on 220 V -50 Hz AC supply Calcualate the choke reqirect for the purpose.

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.

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

A 200Omega resistor is connected to a 220 V, 50 Hz AC supply. Calculate rms value of current in the circuit. Also find phase difference between voltage and the current.

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

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 20 watt electric lamp can be operated at a 50 V DC supply . Calculate the value of capacitance of the capacitor required to run the given lamp at 220 V , 50 Hz AC supply .

A 10 V -10 W lamp is to run on 220 V -50 Hz AC mains . What will be the required value of capacitance of a capacitor to run the lamp ?

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.