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Which winding has large number of turns?

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Which winding has large number of turns?

(a) Shunt field

(b) Series field

(c) Both have same number of turns

(d) Depends on requirement

I got this question in an online quiz.

My question is based upon Methods of Excitation topic in portion Commutation Process & Excitation Methods of DC Machines

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Best answer
Correct answer is (a) Shunt field

To explain: The shunt field winding is provided with a large number (hundreds or even thousands) of turns of thin wire and is excited from a voltage source. The series field winding has a few turns of thick wire and is excited from armature current by placing it in series with armature.

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