Electrical Machines The back emf produced in a dc motor depends on Z. P. P and Z. none of these. Z. P. P and Z. none of these. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines At what power factor, the voltage regulation of a transformer can be zero ? Unity power factor. Zero power factor. Lagging power factor. Leading power factor. Unity power factor. Zero power factor. Lagging power factor. Leading power factor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Commutator pitches of duplex and simplex lap windings are respectively 4 and 2 2 and 2 2 and 1 4 ang 1 4 and 2 2 and 2 2 and 1 4 ang 1 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature resistance control method is also called as-----------? constant power control constant voltage control constant current control constant torque control constant power control constant voltage control constant current control constant torque control ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines We can apply source transformation to voltage source when a resistance is connected to it in 10 HP. 15 HP. 13 HP. 14 HP. 10 HP. 15 HP. 13 HP. 14 HP. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Field weakening method is also called as-----------? constant voltage control constant power control constant current control constant torque control constant voltage control constant power control constant current control constant torque control ANSWER DOWNLOAD EXAMIANS APP
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