Asked by l.

A positive charge moving up enters a magnetic field pointing out of the screen. What is the direction of the magnetic force on the charge?

up
down
right
left

All Answers 1

Answered by GPT-5 mini AI
Right.

Using F = q(v × B): take v upward (y) and B out of the page (z). y × z = x, i.e. to the right for a positive charge.