What is the direction of the magnetic field at point P, which is at the center of a semicircular loop of wire carrying a current I as shown? (poll 11161138)

What is the direction of the magnetic field at point P, which is at the center of a semicircular loop of wire carrying a current I as shown?

A. Goes into the page

B. Goes out of the page

C. Goes left

D. Goes right

E. There is no magnetic field at point P.

Other:

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