AP® Physics C: E & M

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Direction of B-Field near a Long Straight Current Carrying Wire

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A long straight wire carries a current as shown in the diagram below. Point X is in the plane of the wire and screen.

Created for Albert.io. Copyright 2016. All rights reserved.

What is the direction of the magnetic field at point X due to the current in the wire?

A

In the same direction as the current.

B

In a direction opposite the current.

C

Into the page.

D

Out of the page.

E

Down and to the right.