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प्रश्न
Define absolute unit of power in S.I. system.
व्याख्या
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उत्तर
The absolute SI unit of power is the watt (W).
A body has a power of one watt when it does one joule of work in one second:
\[ 1\ \mathrm{W} = 1\ \mathrm{J\,s^{-1}} \]
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पाठ 2: Work, Power and Energy - EXERCISE [पृष्ठ ३०]
