Electrical Machines Find the reactance voltage when current is changed from -2A to 2A in 4 sec and self inductance is 1H? 0 V 1 V 4 V 2 V 0 V 1 V 4 V 2 V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hunting in a synchronous motor takes place motor is under loaded. when load varies. when power factor is unity. when supply voltage fluctuates. motor is under loaded. when load varies. when power factor is unity. when supply voltage fluctuates. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a synchronous machine, if the field flux axis is ahead of the armature field axis in the direction of rotation, the machine operating is asynchronous generator. synchronous motor. asynchronous motor. synchronous generator. asynchronous generator. synchronous motor. asynchronous motor. synchronous generator. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following DC Motor uses 4-point starter? DC series motor. DC compound motor. DC shunt motor with armature resistance. DC shunt motor with field weaking control. DC series motor. DC compound motor. DC shunt motor with armature resistance. DC shunt motor with field weaking control. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hysteresis loop represents the area of eddy current loss total iron losses copper loss hysteresis loss eddy current loss total iron losses copper loss hysteresis loss ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Alternator operates on the principle of electromagnetic induction. self or mutual induction. mutual induction. self induction. electromagnetic induction. self or mutual induction. mutual induction. self induction. ANSWER DOWNLOAD EXAMIANS APP