A dc shunt motor is driving a constant torque load with rated excitation. If the field current is reduced to half, then the speed of the motor will become

Q. A dc shunt motor is driving a constant torque load with rated excitation. If the field current is reduced to half, then the speed of the motor will become

A.            Half

B.            Slightly more than half

C.            Double

D.            Slightly less than double

Answer: Slightly less than double