Question

si unit of power??????​

Answer 1

Power P= E/t

where SI unit of energy E is J and that of time t is s.

Thus SI unit of power is Js-¹

OR watt (W).

Answer 2

Answer :-

Units of power :-

These are SI Units of power

"Watts" or kgm²s^-3

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Other units of power :-

These are the some practicle units of power

Horsepower, Joule / second

1 W = 1 J/S

1 hp = 746 watts

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Know more :-

Power :- Work done per unit time is called power

P = W /S

W = work done

Here work done may be K.E , P.E , Elastic potential energy , Electric potential energy etc

S = displacement of a body

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P = F.V

F = force acting on body

V = velocity acting on body