A current-carrying loop of wire lies flat on a horizontal tabletop. When viewed from above, the current moves around the loop in a counterclockwise sense. For points on the tabletop outside the loop, the magnetic field lines caused by this current circle the loop in a clockwise direction. circle the loop in a counterclockwise direction. point straight down. point straight up.
Added by Jermaine N.
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This rule states that if you point your right thumb in the direction of the current (in this case, counterclockwise), your fingers will curl in the direction of the magnetic field. So, if the current is moving in a counterclockwise direction, the magnetic field Show more…
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