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| Q. |
Kilowatt-hour is the unit of : |
| A. | Energy |
| B. | Power |
| C. | Force |
| D. | Momentum |
| Answer» A. Energy | |
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Explanation: The kilowatt hour, or kilowatt- hour, is a unit of energy equal to 1000 watt hours or 3.6 mega-joules For constant power, energy in watt hours is the product of power in watts and time in hours. The kilowatt hour is most commonly known as a billing unit for energy delivered to consumers by electric utilities. |
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