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प्रश्न
Two coolies A and B do some work in time 1 minute and 2 minute respectively. The power spent is
विकल्प
same by both coolies
is more by coolie A than by B
is less by coolie A than by B
nothing can be said.
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उत्तर
is more by coolie A than by B
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संबंधित प्रश्न
A body is moving unidirectionally under the influence of a source of constant power. Its displacement in time t is proportional to ______.
The S.I. unit of power is ..........
1 H.P. = .........
Match the following
| column A | Column B |
| A stone at a height | power |
| A Moving ball | joule |
| Energy | work done in 1 s |
| Power | potential energy |
| Watt | kinetic energy |
The expression of power P is
Differentiate between watt and watt hour.
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