An electric fan runs from the 230V mains. The current flowing through it is 0.4A. At what rate is electrical energy transferred by the fan?

An electric iron has a rating of 750 W, 220 V. Calculate the current flowing through it .

An electric heater is connected to the 230V mains supply. A current of 8A flows through the heater. (a) How much charge flows around the circuit each second? (b) How much energy is transferred to the heater each second?

An electric heater takes 6A current from a 230V supply line, calculate the power of the heater and electric energy consumed by it in 5 hours.

An electric fan rotates 100 times in one second. If the length of its wing from its axis of rotation is 0.5 m . Then the speed of the fan is ______ m s^(-1)

An electric bulb is rated as 250V, 750W. Calculate the Electric current flowing through it, when it is operated on a 250V supply

Find the resistance of a conductor if the electric current flowing through it is 0.35 A when the potential difference across it is 1.4 V.