1. To convert an AC generator into DC generator
(a) split-ring type commutator must be used
(b) slip rings and brushes must be used
(c) a stronger magnetic field has to be used
a rectangular wire loop has to be used

Question

1.	To convert an AC generator into DC generator
(a)	split-ring type commutator must be used
(b)	slip rings and brushes must be used
(c)	a stronger magnetic field has to be used
a rectangular wire loop has to be used

Accepted Answer

Soln:

Answer is (a) split-ring type commutator must be used
Explanation:
Split-ring type commutator reverse the direction of current after each half turn of armature. This maintains a DC current.

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