everyday science MCQ #49904

The unit of electrical energy in practical applications is:

everyday science MCQ #49904

  1. Question 1

    Q1. The unit of electrical energy in practical applications is:

    • A) Joule
    • B) Kilowatt-hour
    • C) Watt
    • D) Ampere-hour

    Answer: Kilowatt-hour

    Explanation: In practical electricity billing and engineering, the kilowatt-hour (kWh) is used as the unit of electrical energy, equal to the energy consumed by a 1 kW device operating for one hour (3.6 MJ).