Important MCQ questions for GATE, ESE Engineering Service Examination, IES, PSU Examination and Study Material For Electrical and Electronics Engineering in Circuit Theory, Network Theory, Material Science, Power System, Control System, Measurement, Power Electronics, Transformer and Electrical Machine, Control System, EMT, Power Electronics, Microprocessor and Communication System.
Tuesday, April 26, 2016
A DC shunt generator when driven without connecting field winding shows an open circuit terminal voltage of 12V. when field winding is connected and excited, the terminal voltage drops to zero because
A)Field resistance is higher than critical resistance
B)There is no residual magnetism in the field circuit
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