everyday science MCQ #5261

A kilowatt-hour is a unit of:

everyday science MCQ #5261

  1. Question 1

    Q1. A kilowatt-hour is a unit of:

    • A) Power
    • B) Electric current
    • C) Energy
    • D) Time

    Answer: Energy

    Explanation: A kilowatt-hour (kWh) is a unit of energy equal to the work done by one kilowatt of power in one hour (1 kWh = 3.6 × 10⁶ joules).