Q. A 250 V, DC shunt motor takes a line current of 20 A. The resistance of shunt field winding is 200Ω and resistance of the armature is 0.3 Ω Find the armature current and the back e.m.f.
A. 18.75 A, 245 V
B. 25.32 A, 225 V
C. 15.65 A, 100 V
D. 10 A, 150 V
Answer: 18.75 A, 245 V
