Question

which device in electric motor reverses the direction of flow of current 1) armature 2) brush 3) split ring 4) coil ​

Answer 1

Answer:

option 3

Explanation:

split ring

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Answer 2

Answer:

split ring

Explanation:

split ring acts as a commutator, when the half rotation completes, the split rings change the charges.

i.e., if R1 ring touches negative terminal and R2 ring touches positive terminal; after half rotation, R1 ring will touch positive terminal and R2 terminal will touch negative terminal.

  in this way the direction of current flowing is changed by split rings