Question

Why the inner side of commutator or split rings are insulated in a DC motor​

Answer 1

Explanation:

The split ring has the function of reversing the current at that point. When a dc motor shaft comes into contact with a split ring, the split ring reverses the current to maintain the shaft torque in a magnetic field.

Answer 2

Answer:

in a DC Motor commutator is used not split rings ...

and yes they are insulated.

Explanation:

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