A generator manufacturing company was contracte... - JAMB Physics 2004 Question
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
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Correct Option: B
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