Why the carbon brush will cut off the current when they touch each other in electric motor?
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Brush is mainly constituted of carbon which is not a very good conductor of electric current...
So , they are mainly used to cut off current in motors when they come in contact ... This enables the armature to rotate in the same direction...
So , they are mainly used to cut off current in motors when they come in contact ... This enables the armature to rotate in the same direction...
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