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प्रश्न
The commercial unit of energy is :
पर्याय
watt
watt-hour
kilowatt-hour
kilowatt
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उत्तर
Kilowatt-hour is the commercial unit of electricity.
Therefore, the answer is, (c) Kilowatt-hour.
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संबंधित प्रश्न
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| Column A | Column B |
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| (b) Doorknob | (2) inclined plane |
| (c) Ramp | (3) Class I lever |
| (d) Lemon crusher | (4) Wheel and axle |
| (e) Seesaw | (5) wedge |
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