Q59
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
AnswerAnswer: Option D
Solution
Answer: Option D
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