42 : Figure shows a toroidal coil S, of a rectangular cross-section containing N loops. Its inner and outer radii are a and b, respectively. The height of the toroid is h. A thin conducting ring, S, encircles the toroid. The coil S, carries a time-dependent current | = 1, ev* (where I, and t are constants) () Compute the mutual inductance between the ring and the coil. (ii) Compute the induced time-dependent current I in the ring. Toroid Ring

42 : Figure shows a toroidal coil S, of a rectangular cross-section containing N loops. Its inner and outer radii are a and b, respectively. The height of the toroid is h. A thin conducting ring, S, encircles the toroid. The coil S, carries a time-dependent current | = 1, ev* (where I, and t are constants) () Compute the mutual inductance between the ring and the coil. (ii) Compute the induced time-dependent current I in the ring. Toroid Ring