Q
A synchronous motor is running with normal excitation. When the load is increased, the armature current drawn by it increases because
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A
A. Speed of the motor is reduced
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B
B. Power factor is decreased
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C
C. Eb (back e.m.f.) becomes less than v (applied voltage)
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D
D. Er (net resultant voltage) in armature is increased
Correct Answer:
D. D. Er (net resultant voltage) in armature is increased
