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electromagnet

  1. sainimitu
    sainimitu
    Soft iron is used as an electromagnet because it remains a magnet only while the current passes through the coil around it and loses it's magnetism when the current is switched off.
  2. sainath1344
    sainath1344
    It will not loose immediately..Some residual flux will be there after switching off power supply
  3. bharat yadav 1
    bharat yadav 1
    prove how the relativity of theory is true.if you have any pdf's about this please post me.
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