An electric motor operates on a 50v supply and drawn a current of 12
a. If the motor yeilds a mecanical power of 150w.What is the percentage efficiency of the motor
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hlo dear
PERCENTAGE EFFICIENCY will be 50%
EFFICIENCY is OUTPUT POWER/INPUT POWER
===>>P/VI=300/50x12=1/2
% efficiency=efficiencyx100=50%
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