All Problems

Electromagnetic Induction. Maxwells Equations

Problem 3.333

Find the approximate formula expressing the mutual inductance of two thin coaxial loops of the same radius aa if their centres are separated by a distance l,l, with lal \gg a.

Reveal Answer
L121/2μ0πa4/l3L_{12} \approx 1 / 2 \mu_{0} \pi a^{4} / l^{3}