MCQ
Watt hour represents:
  • Electric energy
  • B
    Current
  • C
    Voltage
  • D
    Power

Answer

Correct option: A.
Electric energy

The watt - hour $(Wh)$ is a unit of electric energy equivalent to one watt $(1\ W)$ of power expended for one hour $(1\ h)$ of time. Watt-hour is commonly used in electrical applications.
$1\ Wh = 1 × 60 × 60 = 3600J$

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