Question: The figure shows two square, current-carrying loops with side length a and center-to-center separation c. The currents I 1 and I 2 circulate in the

The figure shows two square, current-carrying loops with side length a and center-to-center separation c. The currents I₁and I₂ circulate in the same direction.

a bx -C- N

(a) Evaluate Neumann’s integral and show that the mutual inductance between the loops is

(b) Show that the force of attraction between the loops is

(b) Evaluate the force calculated in part (a) in the limit c >> a and interpret the formula which results.

a bx -C- N

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