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Q. |
Why are the D.C. motors preferred for traction applications ? |
A. | Torque and speed are inversely proportional to armature current |
B. | Torque is proportional to armature current |
C. | Torque is proportional to square root of armature current |
D. | The speed is inversely proportional to the torque and the torque is proportional to square of armature current |
Answer» D. The speed is inversely proportional to the torque and the torque is proportional to square of armature current |
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