Question

Name four electrical devices which makes use of heating effect of current.

Answer 1

1. Different electrical appliances work on the principle of heating effect of current.
2. Heat is produced in a conductor if a current is flown in it.
3. Heat produced in a circuit is given by$H=I^{2}Rt$, where H is heat produced, t is the time taken and I is the current flown in the circuit.
4. Four electrical devices which make use of the heating effect of current are electric iron, electric kettle, electric heater, and electric hair dryer.