Rajasthan BoardEnglish MediumSTD 9ScienceWork And Energy1 Mark
Question
What is power?
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Answer
Power is the rate of doing work or the rate of transfer of energy. IfWis the amount of work done in time t, then power is given by the expression,
$\text{Power}=\frac{\text{Work}}{\text{Time}}$
$=\frac{\text{Energy}}{\text{Time}}$
$\text{P}=\frac{\text{W}}{\text{T}}$
It is expressed in watt (W).
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