An electric immersion heater of resistance is connected to a mains supply.

PHYSICS · Multi-part · CBSE · Physics · Current Electricity · Current Electricity

Problem

An electric immersion heater of resistance

46\,\Omega

is connected to a

230\,\text{V}

mains supply. (i) Calculate the power consumed by the heater. (ii) Determine the electrical energy, in

\text{kWh}

, used when it operates for

10\,\text{min}