A beam of electrons enters a region with a magnetic field as shown below.
electron beam
B
If the beam is deflected upward, the magnetic field must be oriented
A. downward.
B. up.
C. into the plane of the drawing.
D. out of the plane of the drawing.
E. to the left.
F. to the right.
G. None of the above -- it is at an angle.
H. Need more information to determine.