Question Detail
Question
A long wire carries a current toward the north in a magnetic field that is directly vertically downwards. What is the direction of the magnetic force on the wire?
Correct Answer
Option A is the correct answer.
Detailed Explanation
F=IL x B with north=+y, down=-z gives force in -x direction = West.
Hint
F=IL x B with north=+y, down=-z gives force in -x direction = West.