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SAT® Subject Test in Physics

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Current Flowing West in B-Field

SATPHY-1QEKS4

The diagram below shows a wire carrying conventional current in the direction shown by the red arrows.

The magnetic field is straight downward, as indicated by the blue X's.

What is the direction of the force exerted by the magnetic field on the wire?

A

Upward.

B

Downward.

C

Northward.

D

Southward.

E

Westward.