Suppose you take the two plates of a
capacitor and pull them both out of
page, as depicted in the drawing.
Since charge is now moving, there
should be a magnetic field. What is its
direction in each region of space?
Take both plates to be infinite area.
+
-
(A)
(B)
(C)
V
(out of page,
same for both plates)
(A)
[Choose]
(B)
[Choose]
(C)
[Choose]