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When a transformer winding suffers a short circuit, then inter turns of the same winding experience ______ forces.

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When a transformer winding suffers a short circuit, then inter turns of the same winding experience ______ forces.

(a) an attractive

(b) a repulsive

(c) no force

(d) may be attractive or repulsive type

The question was posed to me in an internship interview.

This interesting question is from Autotransformers in portion Transformers of Electrical Machines

1 Answer

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Best answer
Right answer is (a) an attractive

Explanation: As the current will flow in one direction, attractive force will appear across the inter turns as per Biot-savart’s law.

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