Question

Power=_________



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Answer 1

Answer:

Power is the rate of doing work or the rate of transfer of energy. If W is the amount of work done in time t, then power is given by the expression, Power = Work/Time = Energy/Time. P = ( W)/T. It is expressed in watt (W).

Explanation:

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Answer 2

Answer:

Power = The rate of doing work is called as power.

Power sent by a source is measured as the amount of work done by the source in one second.

Explanation:

Power (P):

• Work done (W)/Time taken (t)

Power spent by a source depends on two factors:

1. The amount of work done by the source,
2. The time taken by the source to do the same work.

S.I unit of power:

• Watt. (W)

Watt (W):

• If 1 joule of work is done in 1 second, the power spent is said to be 1 watt.
• 1 watt = 1 joule/1 second