Determine the mutual inductance between a toroidal coil of N1 turns with square cross section (inner and outer radii, b and a, respectively, and height h) as shown and a second, small toroidal coil of radius r (i.e, radius of the cross-section) and N2 turns that is coaxial with the first coil and fully enclosed within it. Assume that r<

Determine the mutual inductance between a toroidal coil of N1 turns with square cross section (inner and outer radii, b and a, respectively, and height h) as shown and a second, small toroidal coil of radius r (i.e, radius of the cross-section) and N2 turns that is coaxial with the first coil and fully enclosed within it. Assume that r<

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Question

Determine the mutual inductance between a toroidal coil of N1 turns with square cross section
(inner and outer radii, b and a, respectively, and height h) as shown and a second, small toroidal coil
of radius r (i.e, radius of the cross-section) and N2 turns that is coaxial with the first coil and fully
enclosed within it. Assume that r<<a, b.