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AP® Physics C: E & M

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Doubling Current Through a Wire and Affects on Magnetic Field

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How will doubling the current through a wire affect the magnetic field due to the wire at a distance $1m$ directly above the wire?

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A

The direction of the magnetic field will curve sharper.

B

The magnetic field strength will double.

C

The direction of the magnetic field will reverse.

D

The magnetic field strength will quadruple.

E

The magnetic field strength will be half.