Statement-1 : Ampere law is useful to find magnetic field due to finite length of a straight current carrying wire. Statement-2 : The magnetic field due to finite length of a straight current carrying wire is symmetric about the wire.
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Question

Statement-1 : Ampere law is useful to find magnetic field due to finite length of a straight current carrying wire. Statement-2 : The magnetic field due to finite length of a straight current carrying wire is symmetric about the wire.

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G1 Physics · Accepted Answer

Ampere's law is directly useful for highly symmetric current distributions, not for a finite straight wire, so Statement 1 is false. The finite-wire field is symmetric with respect to the perpendicular bisector/rotations around the wire geometry, so Statement 2 is true. Hence D.