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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > From the cylinder of radius R, a cylinder of radius R/2 is removed, as shown in figure. Current flowing in the remaining cylinder is I. Then , magnetic field strength is

From the cylinder of radius R, a cylinder of radius R/2 is removed, as shown in figure. Current flowing in the remaining cylinder is I. Then , magnetic field strength is

a cylinder of radius R/2 is removed as shown in figure. Current flowing in the remaining cylinder is I. Then From the cylinder of radius R magnetic field strength is