why the desirable efficiency for a motor is 60%, but in case of transformer, it

why the desirable efficiency for a motor is 60%, but in case of transformer, it is above 90%?

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why the desirable efficiency for a motor is 60%, but in case of transformer, it is above 90%?..

Answer / swapnil hete

Motor is the dynamic device so, frictions losses& windage losses is include in the total losses.
on the other hand trnasformer is the static device hence there is no frictions losses & windage losses

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