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Power

Power is defined as the rate of energy transfer.
P=ΔE
Δt		=ΔW
Δt
ΔE = change in energy or energy transferredΔW = work doneThe unit of power is the watt(W).1 watt is equal to the transfer of energy at the rate of 1 joule per second.

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Specification: AQA Physics (7407), AS-level, 3.4.1.7 Work, energy and power. Topic: Work, Energy and Power.

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