(i) State and define the household unit of electricity.

(ii) What is the voltage of the electricity that is generally supplied to a house?

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(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 Volt.

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