Electrical Machines The speed of stator rotating magnetic field (RMF) with respect to rotor is Nr S.Ns Zero Ns Nr S.Ns Zero Ns ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC motors, under trailing pole tips, flux density will_______ ? None of these increase either increase or decrease decrease None of these increase either increase or decrease decrease ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In synchronous generator a synchronous dead load (lamp, furnaces etc) has no ____________ hence it has no natural frequency of oscillation. mechanical rotatory system. damping torque. synchronizing power co efficient. restoring torque. mechanical rotatory system. damping torque. synchronizing power co efficient. restoring torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Alternator operates on the principle of self or mutual induction. electromagnetic induction. self induction. mutual induction. self or mutual induction. electromagnetic induction. self induction. mutual induction. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Transformer core is laminated to reduce eddy current loss. copper loss. hysteresis loss. both 1 and 2. eddy current loss. copper loss. hysteresis loss. both 1 and 2. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Example of double excited machine is Synchronous motor. None of these Both are correct. DC Shunt Motor Synchronous motor. None of these Both are correct. DC Shunt Motor ANSWER DOWNLOAD EXAMIANS APP
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