1.

A separately excited DC motor has an armature resistance of 0.5 Ω. It runs from a 250 V DC supply drawing an armature current of 20 A at 1500 rpm. The torque developed for an armature current of 10 A for the same field current will be:

A. 15.28 Nm
B. 15.92 Nm
C. 15.6 Nm
D. 16.55 Nm
Answer» B. 15.92 Nm


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