Consider the magnetic field produced by a finitely long current carrying wire.....

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Consider the magnetic field produced by a finitely long current carrying wire.
\( \mathrm{P} \)
(1) The lines of field will be concentric circles with centres on the wire.
(2) There can be two points in the same plane where magnetic fields are same.
(3) There can be large number of points where the magnetic field is same.
(4) The magnetic field at a point is inversely proportional to the distance of the point from the wire.


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