issb general knowledge MCQ #99

The watt is the SI unit of which physical quantity?

issb general knowledge MCQ #99

  1. Question 1

    Q1. The watt is the SI unit of which physical quantity?

    • A) Power
    • B) Energy
    • C) Force
    • D) Pressure

    Answer: Power

    Explanation: One watt equals one joule of work done per second, so it measures the rate of energy transfer. Energy uses the joule, force the newton, and pressure the pascal.