For a given torque, increasing diverter resistance of a DC series motor causes the ________
(a) decrease in speed and less armature current
(b) decrease in speed but armature current remains the same
(c) increase in speed and more armature current
(d) increase in speed but armature current remains the same
I got this question in homework.
Question is from Dynamic Braking of DC Series Motors in chapter Braking of DC Motors & Induction Motors of Electric Drives