A generator manufacturing company was contracted to produ...
A generator manufacturing company was contracted to produce an a.c dynamo but inadvertently produced a d.c dynamo. To correct this error, the
armature coil should be made of silver
commutator should be replaced with slip ring
commutator should be replaced with split rings
armature coil should be made of aluminium
Correct answer is B
No explanation has been provided for this answer.