magnetic field direction

Question

A long, straight wire carrying a steady current from left to right across the center of this page would produce at the top of the page a magnetic field pointing

a. up (away from the page).

b. down (towards the page).

c. out of the page.

d. into the page.

Answer 1

By the right hand rule, the magnetic field would point out of the page, perpendicular to the page.