Question

functions of split ring

Answer 1

The purpose of the split ringcommutator in a DC motor is A)to prevent the battery or power sup... A)to prevent the battery or power supply fromshorting out. B)to reverse the current in the rotor coil whenits magnetic moment is parallel to the magnetic field.

Answer 2

To keep the torque on a DC motor from reversing every time the coil moves through the plane perpendicular to the magnetic field, a split-ring device called a commutator is used to reverse the current at that point. The purpose of the split ring commutator in a DC motor is A)to prevent the battery or power sup...

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