Two dc series motor are coupled. One motor runs as generator and the other as motor

Q. Two dc series motor are coupled. One motor runs as generator and the other as motor.

The friction losses of the two machines will be equal when

A.            Both operate at same voltage

B.            Both have same back emf

C.            Both have same speed

D.            Both have same excitation

Answer: Both have same speed

We will be happy to hear your thoughts

Leave a reply

Gkseries.com
Logo
Register New Account