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In D.C. generators the polarity of the interpoles | |
A. | is the same as that of the main pole ahead [Correct Answer] |
B. | is the same as that of the immediately preceding pole [Wrong Answer] |
C. | is opposite to that of the main pole ahead [Wrong Answer] |
D. | is neutral as these poles do not play part in generating e.m.f. [Wrong Answer] |