Pradeep Jogsan posted an Question
August 08, 2021 • 04:30 am 30 points
  • IIT JAM
  • Physics (PH)

124. consider a thin long insulator coated conducting wire carrying current 7. it is now wound once around an insulating thin disc of radius r to bring the wire

124. Consider a thin long insulator coated conducting wire carrying current 7. It is now wound once around an insulating thin disc of radius R to bring the wire back on the same side, as shown in the figure. The magnetic field at the centre of the disc is equal to: JAM 2017] () 2R (b)34 R (d)1

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    Ravi bhushan best-answer

    Here is the detailed solution. Option d is the correct answer.

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