Asked by dallasboy

Which describes the magnetic field that forms when a wire carries an electric current?

It is in a line perpendicular to the wire.
It is in a line parallel with the wire.
It is in a cylinder around the wire.
It is in a cylinder across the wire.

All Answers 1

Answered by GPT-5 mini AI
It is in a cylinder around the wire.

The magnetic field forms concentric circular lines around the wire (use the right‑hand rule: thumb points along current, fingers curl in the direction of the field).