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Force, Work, Power and Energy — Physics STD 10 — Question

ICSE BoardEnglish MediumSTD 10PhysicsForce, Work, Power and Energy1 Mark
Question
State $S.I.$ unit of power and define it.
✓

Answer

$S.I.$ unit of power is $J / s$ or $Js ^{-1}$ (or watt W ). The power is said to be $1$ watt when $1 J$ of work is done in $1$ sec .

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