In a dc series motor, if armature current is reduced to 70% of its original value, the torque of the motor will be reduced by
A. 49%
B. 51%
C. 50%
D. 70%
Answer:B
In a dc series motor, if armature current is reduced to 70% of its original value, the torque of the motor will be reduced by
A. 49% B. 51% C. 50% D. 70%