Please answer question 77 of 90

In figure, infinite conducting rings each having current i in the direction shown are placed concentrically in the same plane as shown in the figure. The radius of rings are r, 2r, 22r, 23r ......∞. The magnetic field at the centre of rings will be


1 .         Z e r o 2 .         μ 0 i r 3 .         μ 0 i 2 r 4 .         μ 0 i 3 r .

please answer correctly

Please find this answer

  • -1
What are you looking for?