Question: A circular loop of wire in the horizontal plane carries a counterclockwise current, as viewed from above. (a) Use the right-hand source rule to determine

A circular loop of wire in the horizontal plane carries a counterclockwise current, as viewed from above.
(a) Use the right-hand source rule to determine whether the direction of the magnetic field at the center of the loop is (1) toward or (2) away from the observer.
(b) If the diameter of the loop is 12 cm and the current is 1.8 A, what is the magnitude of the magnetic field at the center of the loop?

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