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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > In figure, infinite conducting rings each having current i in the direction shown are placed concentrically in the same planne as shown in the figure. The radius of ring are r , 2 r, 2^2r, 2^3r……………… infinity. THe magnetic field at the centre of ring will be

In figure, infinite conducting rings each having current i in the direction shown are placed concentrically in the same planne as shown in the figure. The radius of ring are r , 2 r, 2^2r, 2^3r……………… infinity. THe magnetic field at the centre of ring will be

2 r 2^2r 2^3r.................. infinity. THe magnetic field at the centre of ring will be In figure infinite conducting rings each having current i in the direction shown are placed concentrically in the same planne as shown in the figure. The radius of ring are r