A current runs from the left to the right in a long, straight wire. How does the magnetic field at point X compare with the magnetic field at point Y?



A. The magnetic field at point X points into the page, and the magnetic field at point Y points into the page.

B. The magnetic field at point X points out of the page, and the magnetic field at point Y points out of the page.

C. The magnetic field at point X points out of the page, and the magnetic field at point Y points into the page.

D. The magnetic field at point X points into the page, and the magnetic field at point Y points out of the page.