The function of a split ring in a dc motor is to

Maintain the direction of current

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Reverse the direction of current after every 90° rotation of the armature coil

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Reverse the direction of current after every 270° rotation of the armature coil

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Reverse the direction of current after every 180° rotation of the armature coil

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Solution

The correct option is D
Reverse the direction of current after every 180° rotation of the armature coil

A split ring reverses the direction of current after every 180° rotation of the armature coil. This in turn ensures that the coil turns in the same direction.

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Similar questions

In a DC motor, the device which is used to change the direction of current through the coil after every half rotation is called

Q. The armature of a DC motor is rotating in the clockwise direction as shown. What is the direction of the magnetic field for the given motor?

Q. Statement I: For continuous rotation of the coil in the same direction, the current in the coil must be reversed.

Statement II: In electric motors, the direction of current is reversed using split rings.

Q. Split rings are full rings fused to the ends of the armature coil, which rotate about the same axis as that of armature

Question 6
Commercial electric motors do not use

(a) an electromagnet to rotate the armature
(b) effectively large number of turns of conducting wire in the current carrying coil
(c) a permanent magnet to rotate the armature
(d) a soft iron core on which the coil is wound

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The function of a split ring in a dc motor is to

The correct option is D Reverse the direction of current after every 180° rotation of the armature coilA split ring reverses the direction of current after every 180° rotation of the armature coil. This in turn ensures that the coil turns in the same direction.

The correct option is D
Reverse the direction of current after every 180° rotation of the armature coil

A split ring reverses the direction of current after every 180° rotation of the armature coil. This in turn ensures that the coil turns in the same direction.