In armature or rheostatic control method for speed control in d.c. shunt motor, variable resistance is added in series with armature

Q.  In armature voltage control method or rheostatic control method for speed control in d.c. shunt motor, a variable resistance is
- Published on 21 Oct 15

a. Added in series with the armature
b. Added in series with the field
c. Connected across armature
d. Both in series with armature and field

ANSWER: Added in series with the armature

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