Question

(i) State and define the household unit of electricity.
(ii) What is the voltage of the electricity that is generally supplied to a house?
(iii) What is consumed while using different electrical appliances, for which electricity bills are paid?

Answer 1

(i) The household unit of electricity is kilowatt-hour (kWh). One kilowatt-hour (kWh) is the electrical energy consumed by an electrical appliance of power 1 kW when it is used for one hour.

(ii) The voltage of the electricity that is generally supplied to a house is 220 V.

(iii) Electrical energy is consumed, for which electricity bills are paid.