Gujarat BoardEnglish MediumSTD 9ScienceWork, Power 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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