Multiple Choice
A single circular (radius = R) loop of wire is located in the yz plane with its center at the origin. The loop has a clockwise current as seen from the point (+R, 0, 0) . The direction of the magnetic field at the point
A) (0, 0, 0) is − and at the point (+R, 0, 0) is −
.
B) (0, 0, 0) is − and at the point (0, +2R, 0) is −
.
C) (0, 0, 0) is + and at the point (+R, 0, 0) is +
.
D) (0, 0, 0) is + and at the point (0, +2R, 0) is +
.
E) None of the above
Correct Answer:

Verified
Correct Answer:
Verified
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