A generator manufacturing company was contracted to produce an a.c dynamo but inadvertently produced a d.c dynamo. To correct this error, the
a
armature coil should be made of silver
b
commutator should be replaced with slip ring
c
commutator should be replaced with split rings
d
armature coil should be made of aluminium
Explanation
Correct Option
bVideo Explanation
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pressyluv
9 years ago
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