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Which winding have higher resistance?

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Which winding have higher resistance?

(a) Shunt field

(b) Series field

(c) Both have same number of turns

(d) Depends on requirement

This question was addressed to me in final exam.

Question is from Methods of Excitation topic in chapter Commutation Process & Excitation Methods of DC Machines

1 Answer

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Best answer
The correct option is (a) Shunt field

For explanation: 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 field winding, therefore, has a high resistance and carries a small amount of current. It is usually excited in parallel with armature circuit.

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