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For a 4 pole 200 V, 20 A dc generator running at the rated rpm with no load will be ________

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For a 4 pole 200 V, 20 A dc generator running at the rated rpm with no load will be ________

(a) zero no load losses

(b) 4000 W no load losses

(c) negligible no load losses

(d) none of the mentioned

The question was asked during a job interview.

I need to ask this question from EMF Generated in the Armature topic in section Electromechanical Energy Conversions of Electrical Machines

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The correct choice is (a) zero no load losses

Explanation: As there is no load and assuming no armature resistance, the no load losses should ideally be zero.

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