Electrical Machines In a synchronous motor electromagnetic power varies directly as square of applied voltage directly as applied voltage None of these inversely as applied voltage directly as square of applied voltage directly as applied voltage None of these inversely as applied voltage ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In applied voltage is reduced in a dc shunt motor Full load torque. Full load speed. None of these. Full load current. Full load torque. Full load speed. None of these. Full load current. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Due to magnetic saturation, the flux per pole in a DC machine without brush shift decreases in generators and increases in motor with load. increases in both the generators and the motors with load. increases in generators but decreases in motor with load. decreases in both generators and the motors with load. decreases in generators and increases in motor with load. increases in both the generators and the motors with load. increases in generators but decreases in motor with load. decreases in both generators and the motors with load. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A generator may loose residual magnetism due to heating. any of these. over excitation. vibrations. heating. any of these. over excitation. vibrations. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If a shunt generator delivers 100 A at 200 V, and the resistances of the shunt field and armature are 100 ohms and 0.01 ohms respectively, the generator emf will be any one of the connection. series. no resistance is connected. parallel. any one of the connection. series. no resistance is connected. parallel. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC Motor 3 point starter is used to provide protection against Low-Voltage. all of above. limit the starting current to a safer value. provide overload protection. provide protection against Low-Voltage. all of above. limit the starting current to a safer value. provide overload protection. ANSWER DOWNLOAD EXAMIANS APP
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