The unit of power is:

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Question

(A) Power is defined as the rate of doing work or the rate of energy transfer. The $SI$ unit of power is the Watt $(W)$,which is defined as $1 \ J/s$.

Vedclass · Accepted Answer

Kilowatt

Vedclass · Answer

(A) Power is defined as the rate of doing work or the rate of energy transfer. The $SI$ unit of power is the Watt $(W)$,which is defined as $1 \ J/s$. Among the given options,Kilowatt $(kW)$ is a unit of power,where $1 \ kW = 10^3 \ W$. Kilowatt-hour $(kWh)$ is a unit of energy,Dyne is a unit of force,and Joule $(J)$ is a unit of energy. Therefore,the correct option is $A$.

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