The mechanical power developed by the armature of a dc motor is equal to
The mechanical power developed by the armature of a dc motor is equal to
The mechanical power developed by the armature of a dc motor is equal to Read More »
DC Motor MCQs
If the field circuit of a dc shunt motor running at rated speed gets open circuited, then immediately thereafter the speed of the motor would tent to
If the field circuit of a dc shunt motor running at rated speed gets open circuited, then immediately thereafter the speed of the motor would tent to
The direction of rotation of a dc series motor can be reversed by interchanging
The direction of rotation of a dc series motor can be reversed by interchanging
The direction of rotation of a dc series motor can be reversed by interchanging Read More »
The speed of a dc series motor decreases if the flux in the field winding
The speed of a dc series motor decreases if the flux in the field winding
The speed of a dc series motor decreases if the flux in the field winding Read More »
The speed of a series dc motor at no load is
The speed of a series dc motor at no load is
The speed of a series dc motor at no load is Read More »
Which of the following statements about a series motor is correct?
Which of the following statements about a series motor is correct?
Which of the following statements about a series motor is correct? Read More »
If the back emf of a dc motor suddenly vanishes
If the back emf of a dc motor suddenly vanishes
If the back emf of a dc motor suddenly vanishes Read More »
In dc motor, which of the following part can withstand the maximum rise in temperature?
In dc motor, which of the following part can withstand the maximum rise in temperature?
In dc motor, which of the following part can withstand the maximum rise in temperature? Read More »
Two dc series motor are coupled. One motor runs as generator and the other as motor
Two dc series motor are coupled. One motor runs as generator and the other as motor
Two dc series motor are coupled. One motor runs as generator and the other as motor Read More »