6) A positive charge is moving with velocity v in a magnetic field. The dots represent the magnetic field pointing out of the page. Determine the direction of the force on the charge.

Analysis:

We have a positive charge moving with velocity v in a magnetic field. The dots indicate that the magnetic field is directed out of the page.

To determine the direction of the force, we can use the right-hand rule for the magnetic force on a moving charge, which is given by the formula F = q(v × B).

• Point your fingers in the direction of the velocity (downwards).
• Curl your fingers towards the direction of the magnetic field (out of the page).
• Your thumb will point in the direction of the force.

In this case, with velocity downwards and magnetic field out of the page, the force will be directed to the right.

Answer: The force on the charge is directed to the right.