Question

what kind of magnetic field is found near a long straight wire ​

Answer 1

Answer:

The field around a long straight wire is found to be in circular loops. The right hand rule 2 (RHR-2) emerges from this exploration and is valid for any current segment—point the thumb in the direction of the current, and the fingers curl in the direction of the magnetic field loops created by it.

Answer 2

→ The magnetic field lines of a long straight wire are comprised of concentric circles centered around the wire. The direction of magnetic field lines is given by the right hand thumb rule.

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