1.

A 4-pole Dc wound machine is lap wound with 400 conductors. The pole shore is 20 cm long and average flux density over one-pole pitch is 0.4 T, the armature diameter being 30 cm. What is the value of induced emf?

A. 188 V
B. 276 V
C. 94 V
D. 188 mV
Answer» B. 276 V


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