What is the material of slip rings in an induction machine?

What is the material of slip rings in an induction machine?
| What is the material of slip rings in an induction machine?

A. Carbon

B. Nickel

C. Phosphor bronze

D. Manganese

Please scroll down to see the correct answer and solution guide.

Right Answer is: C

SOLUTION

  • Slip rings are provided in a three-phase slip-ring induction motor to insert the external resistance in the rotor circuit of the motor.
  • Slip rings are made of high-quality phosphor bronze, mounted on the shaft with brushes resting on them.

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