Question

what is energy and what is power

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Answer 1

HEYA!
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Capacity of doing work is called $\bold {Energy}$

SI unit of Energy is $\bold {Joule}$

and

the rate of doing work or of transferring heat, i.e. the amount of energy transferred or converted per unit time is called $\bold {Power}$

SI unit of Power is $\bold {Watt}$

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