Sawaal
14
Q:

A kilowatt-hour is unit of

A) Power B) Electric charge
C) Energy D) Electric current

Answer:   C) Energy



Explanation:

The kilowatt hour (kW⋅h) is a composite unit of energy equivalent to one kilowatt (1 kW) of power sustained for one hour.

One watt is equal to 1 J/s. One kilowatt hour is 3.6 megajoules.

 

Subject: Physics
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