A 250V, DC shunt motor takes a line current of 20A. Resistance of shunt field winding is 200Ω and resistance of the armature is 0.3Ω. Find the armature current and the back e.m.f.

A 18.75A, 244V

B 25.32A, 225V

C 15.65A, 100V

D 10A, 150V

Solution

Correct Answer: Option A

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