A dc cumulatively compounded motor delivers rated load torque at
rated speed. If series field is short circuited, then the armature
current and speed will
a) Both increases
b) Both decreases
c) Increases and decreases
d) Decreases and increases
rated speed. If series field is short circuited, then the armature
current and speed will
a) Both increases
b) Both decreases
c) Increases and decreases
d) Decreases and increases