Question

The armature winding of a 4-pole, 250V d.c. shunt motor is lap/Wave connected. There [2] are 450 conductors. The flux per pole is 20 mWb and the current is 25A. The resistance of armature and field is 0.12 and 125 2. If rotational losses to be 810 W the fin

A. Gross torque

B.Useful torque​

Answer 1

Answer:

A.Gross Torque ...........................