In a D.C. generator the ripples in the direct e.m.f. generated are red – McqOptions

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1.	In a D.C. generator the ripples in the direct e.m.f. generated are reduced by_____________?
A.	using conductor of annealed copper
B.	using commutator with large number of segments
C.	using carbon brushes of superior quality
D.	using equiliser rings
Answer» D. using equiliser rings

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