Write an expression for the electrical energy spent in flow of current through an electrical appliance in terms of current, resistance and time.
Electrical energy, E=I2Rt
Write an expression for the electrical power spent in flow of current through a conductor in terms of (a) resistance and potential difference (b) current and resistance.
The expression for calculating electrical power in terms of current and resistance.
An electrical appliance has a resistance of 25Ω when this electrical appliance is connected to a 230 V supply line, the current passing through it will be: