(i) State and define the S.I. unit of power. (ii) How is the unit horse power related to the S.I. unit of power?
(i) State and define the S.I. unit of power.
(ii) How is the unit horse power related to the S.I. unit of power?
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(i) The rate of doing work is called power.
P = W/t
S.I. unit of power is Joule/sec also called watt (w)
(ii) 1 house power (hp) = 746 watts
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