A 220 V shunt motor takes 20 A. The armature resistance is 0.5 Ω and the field current is 1 A. Calculate the back emf, mechanical power and…
A 220 V shunt motor takes 20 A. The armature resistance is 0.5 Ω and the field current is 1 A. Calculate the back emf, mechanical power and efficiency assuming stray loss 300 W.
From the BPSC Assistant Engineer (EEE) November 2026 – Written exam, question 23 of 28.