The armature resistance of a compound direct current motor with a short shunt connection is 0.15Ω , series winding resistance 0.25Ω and shunt winding The resistance is given as 800Ω. The armature of the DC motor with a terminal voltage of 120 is 1400 rpm. If it draws 12 amps from the motor terminals while rotating, the torque produced by the motor and Find the efficiency of the engine.

The armature resistance of a compound direct current motor with a short shunt connection is 0.15Ω , series winding resistance 0.25Ω and shunt winding The resistance is given as 800Ω. The armature of the DC motor with a terminal voltage of 120 is 1400 rpm. If it draws 12 amps from the motor terminals while rotating, the torque produced by the motor and Find the efficiency of the engine.

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter30: Dc Motors

Section: Chapter Questions

Problem 6RQ: What is CEMF?

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