Q. In a d.c. machine, the armature mmf is (Solved)
1. stationary w.r.t. armature.
2. rotating w.r.t. field.
3. stationary w.r.t. field.
4. rotating w.r.t. brushes.
- c. stationary w.r.t. field.
1. stationary w.r.t. armature.
2. rotating w.r.t. field.
3. stationary w.r.t. field.
4. rotating w.r.t. brushes.