Millionaire Mode

Electromagnetism

Question 1 of 18

What is the role of commutator rings in an electric motor?

  1. To increase the strength of current flowing
  2. To reverse the direction of current flowing
  3. To increase the strength of magnetic field
  4. To decrease the strength of current flowing
  5. -

Prize Money

15₹7 Crores
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6₹40,000
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