Question on: JAMB Physics - 2017
Which of the following operations can be used to convert an alternative current dynamo into a direct current dynamo
A
number of turns in the coil is increased
B
strength of the field magnet is increased
C
slip rings are replaced with split ring cummutator
D
coil is wound on a soft iron armature
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Correct Option: C
A d.c generator is one in which its current is allowed to flow in one direction even through it may vary in value an a.c generator can only be made to produce a d.c by replacing the two slip rings with a single split ring or commutator.
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