A dc shunt motor may have rising speed-torque characteristic due to
A. very high armature circuit resistance.
B. very high field circuit resistance.
C. very high demagnetizing armature reaction.
D. very low demagnetizing armature reaction.
Answer:C
A dc shunt motor may have rising speed-torque characteristic due to
A. very high armature circuit resistance. B. very high field circuit resistance. C. very high demagnetizing armature reaction. D. very low demagnetizing armature reaction.