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Q. |
'Kilowatt-hour' is the unit of - |
A. | potential difference |
B. | electric power |
C. | electric energy |
D. | electric potential |
Answer» C. electric energy | |
Explanation: The kilowatt hour (symbolized kW h as per SI) is a composite unit of energy equivalent to one kilowatt (1 kW) of power sustained for one hour. |
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