Solved papers for JEE Main & Advanced JEE Main Online Paper (Held on 9 April 2013)

done JEE Main Online Paper (Held on 9 April 2013) Total Questions - 1

• question_answer1)                 An electric current is flowing though a circular coil of radius R. The ratio of the magnetic field at the centre of the centre of the coil and that at a distance \[2\sqrt{2}\]R from the centre the centre of the coil and its axis is:                                  JEE Main Online Paper (Held On 09 April 2013)
  A)
                  \[2\sqrt{2}\]                                                      
  done clear
  B)
                  27                                          
  done clear
  C)
                  36                                                          
  done clear
  D)
                  8
  done clear
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