Correct option is D
The correct answer is (d) Kilowatt hour (kWh).
· The kilowatt hour (kWh) is the commercial unit of electrical energy used to measure electricity consumption.
· It represents the amount of energy used when one kilowatt of power is consumed for one hour.
Information Booster:
· Joule (J): The SI unit of energy, but not commonly used for billing electricity.
· Volt (V): The unit of electric potential or voltage, not energy.
· Watt (W): The unit of power, which measures the rate of energy consumption, but not the energy itself.