What is the function of a commutator in an electric motor ?
The function of commutator rings is to reverse the direction of current flowing through the coil after every half rotation.
In an electric motor, which of the following remains fixed and which rotates with the coil?
Commutator; Brush
Draw a labelled diagram of an electric motor. Explain its principle and working. What is the function of a split ring in an electric motor?