John Bird: Engineering and Physical Science Pocket Book: Unit of power. 1 watt = 1 joule per second. Is defined as the rate of doing work or transferring energy. Thus, P=W/t, where W is the work done or energy transferred in joules and t is the time in seconds. Hence, energy in joules, W=Pt.

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Unit of power. 1 watt = 1 joule per second. Is defined as the rate of doing work or transferring energy. Thus, P=W/t, where W is the work done or energy transferred in joules and t is the time in seconds. Hence, energy in joules, W=Pt.

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Watt (W)-

John Bird: Engineering and Physical Science Pocket Book

Unit of power. 1 watt = 1 joule per second. Is defined as the rate of doing work or transferring energy. Thus, P=W/t, where W is the work done or energy transferred in joules and t is the time in seconds. Hence, energy in joules, W=Pt.

Watt (W)-

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