Q
In D.C. generators the polarity of the interpoles_____________?
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A
A. Is the same as that of the main pole ahead
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B
B. Is the same as that of the immediately preceding pole
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C
C. Is opposite to that of the main pole ahead
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D
D. Is neutral as these poles do not play part in generating e.m.f.
Correct Answer:
A. A. Is the same as that of the main pole ahead