Q. A 4 pole, lap wound d.c motor has 540 conductors and 230 V supply. The armature resistance is 0.8Ω. Its speed found to be 1000 r.p.m. the flux per pole is 25 mWb. The Induced e.m.f.and Armature current will be
A. 250 V, 10 A
B. 300 V, 6.25 A
C. 225 V, 10 A
D. 225 V, 6.25 A
Answer: 225 V, 6.25A
