DC Generators
In a cummulative compounded generator the shunt and series fields ______ each other.

Oppose
Aid
Sometime aid, sometime oppose
None of the listed here

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

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

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