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CBSE - X - Physics - Magnetic Effects of Electric Current


Asked by palaksophia 18th September 2009, 2:49 PM
Answered by Expert


The function of carbon brushes is to transfer electricity to the commutator which is connected to the winding on the armature. The brushes and commutator form a electrical connection that is good when the brushes are stationary and the commutator is spinning. The commutator on a DC motor is sectioned to power different windings at different times, creating moving field necessairy to pull the armature off a direct current.

Answered by Expert 20th September 2009, 12:16 PM

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