What is the relation of the copper loss and brush contacts with the total loss in universal commutator motors?(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 * 3The question was asked in an internship interview.Enquiry is from Design of Small Universal Commutator Motors topic in division Design of Small Electrical Machines, Starters and Field Regulators of Design of Electrical Machines

What is the relation of the copper loss and brush contacts with the to

1.	What is the relation of the copper loss and brush contacts with the total loss in universal commutator motors?(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 * 3The question was asked in an internship interview.Enquiry is from Design of Small Universal Commutator Motors topic in division Design of Small Electrical Machines, Starters and Field Regulators of Design of Electrical Machines
Answer» Right ANSWER is (b) copper LOSS and BRUSH contacts = total loss/2 Easiest explanation: The copper loss and brush contact loss is being compared with the total loss in ORDER to deduce equations. The copper loss and brush contact loss is half the total loss.

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