A current runs through a wire such that it generates a magnetic field. The magnetic field is in the clockwise direction in the plane of your computer screen. What is the direction of the current?

A current runs through a straight wire from right to left. What direction would the magnetic field be?

A negatively charged particle is moving to the right along a vertical plane. If the force generated by a constant magnetic field is directed upwards within plane, in what direction is the magnetic field?

A straight wire carries a current directly into your computer screen. In what direction would the magnetic field be?

A straight wire carries a current directly out of your computer screen. In what direction would the magnetic field be?