In a d.c. machine, the armature mmf is
A. Stationary w.r.t. armature.
B. Rotating w.r.t. field.
C. Stationary w.r.t. field.
D. Rotating w.r.t. brushes.
Answer:C
In a d.c. machine, the armature mmf is
A. Stationary w.r.t. armature. B. Rotating w.r.t. field. C. Stationary w.r.t. field. D. Rotating w.r.t. brushes.