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

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

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