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• Objective question in Magnetism
  A long wire carries a steady current. It is bent into a circle of one turn and the magnetic field at the centre of the coil is B. It is then bent into a circular loop of n turns. The magnetic field at the centre of the coil w ...
  0·0· #Physics#Electricity and magnetism#Magnetism
  asked2012-07-06 09:20:46