DC Generators
In D.C. generators the polarity of the interpoles

Is the same as that of the immediately preceding pole
Is the same as that of the main pole ahead
Is neutral as these poles do not play part in generating e.m.f.
Is opposite to that of the main pole ahead

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DC Generators
In a dc generator, the eddy current power loss is

None of the listed here
Directly proportional to thickness of each lamination
Inversely proprtional to thickness of each lamination
Directly proportional to sqaure of thickness of each lamination

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