Electrical Machines To eliminate the 5th harmonic in the induced voltages their respective pitch factor angle should be 72° 30° 18° 36° 72° 30° 18° 36° ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The field divertor resistance for a DC series motor is of order of 50 Ω 0.1 Ω 100 Ω 10 Ω 50 Ω 0.1 Ω 100 Ω 10 Ω ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines To eliminate 5th harmonic in the induced voltage phase breadth should be 36° 30° 18° 72° 36° 30° 18° 72° ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the frequency of rotor current of 50 Hz induction motor operating at 4% slip? 50Hz 1 Hz 2.5Hz 2HZ 50Hz 1 Hz 2.5Hz 2HZ ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Air core transformer as compared to iron core transformer, has more copper loss. more magnetic core loss. less magnetic core loss. no magnetic core loss. more copper loss. more magnetic core loss. less magnetic core loss. no magnetic core loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Lap winding is prefered for which type of machines? high current and low voltage low current and high voltage high current and high voltage low current and low voltage high current and low voltage low current and high voltage high current and high voltage low current and low voltage ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS