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    What is the function of commutator ring in a motor?

    Class-12 Biology

    Asked By Radhika Sharma

    4 ANSWERS

    • The split ring commutator reverses the flow of current every half-turn.
      If this did not happen, the torque generated by the current's movement
      through the magnetic field would simply hold the motor in place, which
      is the opposite of what you want to happen.
    • Reversing the current, with a small period of time where no current is
      flowing, allows the armature to keep spinning, with the torque now
      pushing it in the correct direction.
    • A commutator is the moving part of a rotary electrical switch in certain types of electric motors or electrical generators that periodically reverses the current direction between the rotor and the external circuit.
    • To keep the torque on a DC motor from reversing every time the coil moves

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