A Single Circular (Radius = R) Loop of Wire Is

question 5

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 −i and at the point (+R, 0, 0) is −i.
• B) (0, 0, 0) is −i and at the point (0, +2R, 0) is −i.
• C) (0, 0, 0) is +i and at the point (+R, 0, 0) is +i.
• D) (0, 0, 0) is +i and at the point (0, +2R, 0) is +i.
• E) None of the above

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