Electrical Machines What is the emf generated by a 4 pole Lap connected DC Motor rotating at 1500 rpm having 1000 conductors and useful flux per pole is 0.4 mWb. 40 volts. 10 volts. 20 volts. 30 volts. 40 volts. 10 volts. 20 volts. 30 volts. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines High starting torque and low starting current is the advantage of hysteresis motor. squirrel cage induction motor. slip ring induction motor. stepper motor. hysteresis motor. squirrel cage induction motor. slip ring induction motor. stepper motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When pure inductive load is connected to the alternator, what is the effect of armature reaction? Demagnetization Magnetization None of these Cross magnetization Demagnetization Magnetization None of these Cross magnetization ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A frog leg winding is used in a DC machine to eliminate the use of compensating winding. the use drum winding. the use equalizer in lap winding. reactance voltage produced due to communication. the use of compensating winding. the use drum winding. the use equalizer in lap winding. reactance voltage produced due to communication. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3-phase, 50 Hz, 4 pole induction motor is running at 1440 rpm and rotor input power is 2KW. Find the rotor copper loss? 40W 60W 80W 100W 40W 60W 80W 100W ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Voltage regulation of transformer is given by (E2 - V2) / V2 (E2 - V2) / E2 (V2 - E2) / E2 (V2 - E2) / V2 (E2 - V2) / V2 (E2 - V2) / E2 (V2 - E2) / E2 (V2 - E2) / V2 ANSWER DOWNLOAD EXAMIANS APP
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