The shaft torque (Tsh) in a d.c motor is less than total armature torque (Ta) because of ……………. in the motor.

Q. The shaft torque (Tsh) in a d.c motor is less than total armature torque (Ta) because of ……………. in the motor.

A.            Copper losses

B.            Field Losses

C.            Iron and Friction losses

D.            None of the above

Answer: Iron and Friction losses