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1. |
In a dc series motor. Assume negligible armature circuit resistance; the magnetic circuit is linear |
A. | the speed varies inversely as the square root of the load torque; at a given torque load speed is directly proportional to the number of field turns. |
B. | the speed varies inversely as the square of the load torque; at a given torque load speed is directly proportional to the number of field turns. |
C. | the speed varies inversely as the load torque; at a given torque load speed is inver sely proportional to the number of field turns. |
D. | the speed varies inversely as the square root of the load torque; at a given torque load speed is inversely proportional to the number of field turns. |
Answer» E. | |