Question:medium

A DC motor has an input power of \(5\,\text{kW}\) and total losses of \(1\,\text{kW}\). The efficiency of the motor is

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Efficiency of a machine is \[ \boxed{ \eta= \frac{\text{Output Power}}{\text{Input Power}}\times100\%. } \]

Updated On: Jul 14, 2026

\(75\%\)
\(80\%\)
\(85\%\)
\(90\%\)

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The Correct Option is B

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