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AIIMS2013PhysicsElectromagnetic Induction

Which of the following is the best method toreduce eddy currents ?

Options

  1. ALaminating core
  2. BUsing thick wires
  3. CReducing hysteresis loss
  4. DNone of these

Correct answer

A. Laminating core

Step-by-step solution

To reduce the eddy currents in the metal armature of motors the wire is wrapped around a number of thin metal sheets called lamination.

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