Question

A current carrying loop of wire lies flat on a table top. When viewed from above,...

A current carrying loop of wire lies flat on a table top. When viewed from above, the current
moves around the loop in a counterclockwise sense. What is the direction of the magnetic field
caused by this current, outside the loop? The magnetic field:

A) circles the loop in a clockwise direction.
B) circles the loop in a counterclockwise direction.
C) points straight up.
D) points straight down.

Can someone explain why the correct answer is straight down by hand rule? Also why would it be up if we were to consider the current inside of the loop?

Thank you

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Answer #1

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