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Q. |
Kilowatt-hour (KWH) is the unit of - |
A. | power |
B. | resistance |
C. | resistivity |
D. | energy |
Answer» D. energy | |
Explanation: The kilowatt hour (symbol kWh, kW h or kW h) is a unit of energy equal to 3.6 megajoules. If the energy is being transmitted or used at a constant rate (power) over a period of time, the total energy in kilowatt hours is the power in kilowatts multiplied by the time in hours. |
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