Problem: Point P is at the center of a circular loop of wire. Current  I travels around the loop in a clockwise direction, as shown in the sketch. The magnetic field at point P is  A) zero B) into the page C) out of the page D) to the left E) to the right F) toward the top of the page G) toward the bottom of the page

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Point P is at the center of a circular loop of wire. Current  travels around the loop in a clockwise direction, as shown in the sketch. The magnetic field at point P is 

A) zero

B) into the page

C) out of the page

D) to the left

E) to the right

F) toward the top of the page

G) toward the bottom of the page