A long straight wire is held vertically and carries a steady current in the upward direction. The shape of the magnetic field lines produced by the current-carrying wire are:

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Physics · Magnetic Effects of Electric Current

Verified Solution4 OptionsUpdated: October 2026👁️1 View

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concentric horizontal circles around the wire.

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Answer 1

horizontal straight lines directed radially out from the wire.

Answer 2

straight lines parallel to the current-carrying wire.

Answer 3

concentric horizontal circles around the wire.

Answer 4

coaxial helixes around the wire.

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