Question
Watt hour represents:

Answer

  1. Electric energy
Explanation:
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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