Concept: Charge Circulation in a Magnetic Field

a:

b:

[clockwise] [counterclockwise]

An electron is circulating in the magnetic field shown.
Which situation is impossible?


"http://www.physics.udel.edu/~watson/phys208/concept/concept16.html"
Last updated Oct. 17, 1997.
Copyright George Watson, Univ. of Delaware, 1997.