Question

What is the purpose of carbon brushes in a D.C. motor?
A) To ensure good contact between the stationary components and the moving components
B) To allow the coil to rotate continuously.
C) To ensure the current flowing through the coil is direct current.
D) To prevent the wires from getting entangled.​

Answer 1

Answer:

A) To ensure good contact between the stationary component and the moving components.

Answer 2

A .To ensure good contact between the stationary components and the moving components