A 4-pole Dc wound machine is lap wound with 400 conductors. The pole s – McqOptions

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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. Here, motor is drawing 25 A current at 1500 rpm. What is the available torque (N-m) at shaft?
A.	29.9
B.	59.8
C.	14.95
D.	44.85
Answer» B. 59.8

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