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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > Inside a long straight uniform wire of round cross-section, there is a long round cylindrical cavity whose axis is parallel to the axis of the wire and displaced from the axis by a distance d. A direct current of density j flows along the wire. Find the magnetic induction at a general point inside the cavity.

Inside a long straight uniform wire of round cross-section, there is a long round cylindrical cavity whose axis is parallel to the axis of the wire and displaced from the axis by a distance d. A direct current of density j flows along the wire. Find the magnetic induction at a general point inside the cavity.

2…..8 carries the current ni Eight wires cut the page perpendicularly at the points shown in figure . A wire labeled with the integer n(n = 1 In figure Inside a long straight uniform wire of round cross-section the current is out of the page where i = 4A . For those wires with odd k