Two currents go into the page, and two are pointing out of the page. Point a is at the center of the square, and points b and c are in the middle of two of the sides. What is the direction of the magnetic field at point a? a. Down (to the bottom of the page).
b. Up (to the top of the page).
c. The magnetic field is zero at this point.
d. To the right.
e. To the left