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Slip rings are usually made of

A. Copper

B. Carbon

C. Phosphor bronze

D. Aluminium

Answer: Option C

Solution(By Examveda Team)

Slip rings in polyphase induction motors are typically made of phosphor bronze. This material is chosen because it has excellent wear resistance and conductivity. Phosphor bronze also provides a good balance between conductivity and durability, which is essential for the efficient operation of the slip rings in the motor.

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Comments ( 3 )

  1. Vaishnavi Chouksey
    Vaishnavi Chouksey :
    3 years ago

    Slip rings are made of Hard drawn copper material to remove wear and tear

  2. Kala Sarinh
    Kala Sarinh :
    4 years ago

    The term cogging is associated with

  3. Rekha Chaudhari
    Rekha Chaudhari :
    5 years ago

    Because its speed control is easy.

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