a) copper loss and brush contacts = total loss
b) copper loss and brush contacts = total loss/2
c) copper loss and brush contacts = total loss * 2
d) copper loss and brush contacts = total loss * 3
What is the relation of the copper loss and brush contacts with the total loss in universal commutator motors?
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What is the relation of the copper loss and brush contacts with the total loss in universal commutator motors?
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