61.
The e.m.f. generated by a shunt wound D.C. generator is E. Now while pole flux remains constant, if the speed of the generator is doubled, the e.m.f. generated will be

62.
In the case of lap winding resultant pitch is

63.
Armature reaction in a generator results in

64.
Which of the following statement about D.C. generators is false?

66.
The following constitute short-circuit in the armature winding.

69.
In a D.C. generator the number of mechanical degrees and electrical degrees will be the same when

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