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If the residual flux is absent in the rotor iron of the isolated induction generator ____________

(a) it will not run

(b) it will run as induction motor

(c) it will burn the winding

(d) it will not affect the characteristic of the generator

I got this question by my school teacher while I was bunking the class.

The origin of the question is Induction Generator in chapter Induction Machines of Electrical Machines

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The correct choice is (a) it will not run

Explanation: If the residual flux of the isolated induction generator is not present, then voltage build up will not take place.

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