An electric bulb marked 500W,250 V is connected to a 250 V supply.
Calculate the resistance of the bulb.

An electric bulb marked 500W,250 V is connected to a 250 V supply. Find the electric current through the circuit.

When the bulb 50W, 220V is connected to an 110V supply calculate the power generated.

0.5 A current flows through an electric heating device connected to 230 V supply . How much is the resistance of the circuit ?

Electric bulbs are connected in a 240 V supply line are shown in the figure Calculate the amperage of the fuse to be used in the circuit . BBP_EW_PHY_X_C01_S05_020_Q01.png" width="80%">

A bulb of power 40W is designed to öperate at 240V. Calculate resistance of the filament in the bulb.

An electric iron has the markings 880 W and 220 V. Calculate the resistance of the coil inside the iron

An 80 V, 800 W heater is to be operated on a 100 V, 50 Hz supply. Calculate the inductane of the coil required.