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Which one of the following is not the function of pole shoes in a D.C. machine ?

Which one of the following is not the function of pole shoes in a D.C. machine ?

Q. Which one of the following is not the function of pole shoes in a D.C. machine ?

A.            To reduce eddy current loss

B.            To support the field coils

C.            To spread out flux for better uniformity

D.            To reduce the reluctance of the magnetic path

Answer: To reduce eddy current loss

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