WHY DO NOT THE BRUSHES CONETED TO THE SPILT RING DO NOT ROATED BUT THE SPILT RING AND THE COIL AND AXLE ROATED 

Asked by hrushikeshdashtekar | 27th Jul, 2014, 01:58: PM

Expert Answer:

The brushes provide the connection point to the motor with the battery setup.
Since the battery cannot be rotated continuously, the brushes are provided so as to provide the current to the coil.

Answered by Romal Bhansali | 28th Jul, 2014, 12:29: PM