Question

what is the nature of magnetic field lines around a current carrying wire​

Answer 1

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The nature of the magnetic field lines around a straight current carrying conductor is concentric circles with centre at the axis of the conductor. The strength of the magnetic field created depends on the current through the conductor.

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Answer 2

Answer:

the nature of the magnetic field lines around a straight current carrying conductor is concentric circles with centre at the axis of the conductor. The strength of the magnetic field created depends on the current through the conductor.

Explanation:

When a current flows in a wire, it creates a circular magnetic field around the wire. This magnetic field can deflect the needle of a magnetic compass. The strength of the magnetic field is greater closer to the wire, and increases if the current increases.