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Work, Power And Energy — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceWork, Power And Energy1 Mark
MCQ
Smallest commercial unit of energy is:
  • A
    Kilowatt hour
  • B
    Watt second
  • ✓
    Watt hour
  • D
    Watt minutes
✓

Answer

Correct option: C.
Watt hour
Smallest commercial unit of energy is called Watt hour (Wh). One watt hour is the energy consumed when $1$ watt of power is used for $1$ hour.

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