Electrical Machines The emf induced in a conductor rotating in a bipolar field is None of these AC. DC. both of above. None of these AC. DC. both of above. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The voltmeter connected across a generator reads voltage same at no load and at full load (rated). The generator is of the type level compound. series generator. shunt generator. short - shunt generator. level compound. series generator. shunt generator. short - shunt generator. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Find the reactance voltage when current is changed from -2A to 2A in 4 sec and self inductance is 1H? 1 V 0 V 2 V 4 V 1 V 0 V 2 V 4 V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Open circuit in a transformer is prefered with rated transformer current rated transformer voltage direct current high frequency supply rated transformer current rated transformer voltage direct current high frequency supply ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC series motor is running with a divertor connected across its field winding. If the divertor resistance is reduced then the speed of the motor will decrease. remain unaltered. increase. become execessively high. decrease. remain unaltered. increase. become execessively high. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole dc motor with armature winding resistance of 0.6 ohm receives a supply of 230 Volt. If the back emf produced during running condition is equal to 210 volt. Calculate the current flowing through the armature at this point. 29 Amp. 43 Amp. 44.47 Amp. 33.33 Amp. 29 Amp. 43 Amp. 44.47 Amp. 33.33 Amp. ANSWER DOWNLOAD EXAMIANS APP