Monday, April 25, 2016

A coil of 1000 turns is wounded on a core. A current of 1 A flowing through the coil creates a core flux of 1 mWb. The energy store in the magnetic field is


  1. 0.25 J
  2. 0.5 J
  3. 1 J
  4. 2 JAnswer : 0.5 J

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