Compensating windings are used in D.C. generators
A) mainly to reduce the eddy currents by providing local short-circuits
B) to provide path for the circulation of cooling air
C) to neutralise the cross-magnetising effect of the armature reaction
D) none of the above
Correct Answer:
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Q14: A D.C. welding generator has
A)lap winding
B)wave moving
C)duplex
Q15: Which of the following statement about D.C.
Q16: The demagnetising component of armature reaction in
Q17: Magnetic field in a D.C. generator is
Q18: The number of brushes in a commutator
Q20: Which of the following components of a
Q21: In a D.C. generator the ripples in
Q22: In D.C. generators, lap winding is used
Q23: Two generators A and B have 6-poles
Q24: The voltage drop for which of the
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