Concept: Magnetic Field About a Wire

A:

B:

C:

[in/down [right/up] [up/in]

Which situation has the largest magnetic field at the center of the square?


"http://www.physics.udel.edu/~watson/phys208/concept/concept17.html"
Last updated Oct. 27, 1997.
Copyright George Watson, Univ. of Delaware, 1997.