How does the interaction between two U-tapes vary with distance? (A) Strength of interaction first increases, then decreases, as distance decreases. (B) Strength of interaction increases as distance...

How does the interaction between two U-tapes vary with distance?

(A) Strength of interaction first increases, then decreases, as distance decreases.

(B) Strength of interaction increases as distance decreases.

(C) Strength of interaction does not depend on distance.

(D) Strength of interaction decreases as distance decreases.