Question

what is the role of two conducting stationary brushes in a simple electric motor?

Answer 1

The work of the brushes is to make the supply
of electric current to the conductor. ...

Brushes are usually of carbon....


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Answer 2

   The two conducting stationary brushes draw current from the battery and supply it to the armature of the motor because as the touch the outer sides of the two halves of the split rings, The inner sides of split rings are Insulated and attached to the axle of the motor.

Hope it help....