Discussion Forum : Dc Motors
Question - .  A dc shunt generator develops a fault in the form of an open armature coil. As a temporary measure, you should
Options:
A .  disconnect the open coil from the armature
B .  use new brushes which can span 3 commutator segments
C .  bridge the two commutator bars across which open coil is connected
D .  change the armature it self
Answer: Option C

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