Question 20
Original source text (layout and all choices are preserved in the source panel below):
The figure below shows some examples of magnetic field patterns. P indicates the
neutral point.
Which one is correct?
A. A and B B. A and C C. B and C D. A, B, and C

The figure below shows some examples of magnetic field patterns. P indicates the
neutral point.
Which one is correct?
A. A and B B. A and C C. B and C D. A, B, and C
