Electrical Machines In a transformer maximum flux density is not constant, the eddy current loss varies as V² f² V f V² f² V f ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An electric motor with constant output power will have a torque speed characteristics in the form of a Straight line through the origin. Circle about the origin. Rectangular hyperbola Straight line parallel to the speed axis. Straight line through the origin. Circle about the origin. Rectangular hyperbola Straight line parallel to the speed axis. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a transformer zero voltage regulation is achieved at a load power factor which is lagging leading unity zero lagging leading unity zero ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Field weakening method is also called as-----------? constant voltage control constant current control constant power control constant torque control constant voltage control constant current control constant power control constant torque control ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of these types of motor is used in elevators? None of these. DC series motor. DC compound motor. DC shunt motor. None of these. DC series motor. DC compound motor. DC shunt motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For the same power output rating and full load speed, the motor will have poorest starting torque, is Series. Cummulative compound. Differential compound. Shunt. Series. Cummulative compound. Differential compound. Shunt. ANSWER DOWNLOAD EXAMIANS APP
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