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1. |
_ A synchronous motor is running with normal excitation. When the load is increased, the armature current drawn by it increases because$? |
A. | Speed of the motor is reduced |
B. | Power factor is decreased |
C. | Eb (back e.m.f.) becomes less than V (applied voltage) |
D. | Er (net resultant voltage) in armature is increased |
Answer» E. | |