Question

slip rings are usually made of​

Answer 1

Typically, a slip ring consists of a stationary graphite or metal contact (brush) which rubs on the outside diameter of a rotating metal ring. As the metal ring turns, the electric current or signal is conducted through the stationary brush to the metal ring making the connection.

Answer 2

Slip ring of a induction motor is usually made up of Aluminium. Copper.

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