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A current of 1 ampere is passed through a straight wire of length 2.0m the magnetic field at a point in the air at a distance of 3m from either end of the wire and lying on the axis of wire will be

Gayathri , 6 Years ago
Grade 10
anser 1 Answers
Arun

Last Activity: 6 Years ago

The magnetic field on any point on the axis of wire is zero, as the magnetic field lie perpendicular to the wire carrying current. Hence, B at a point in air at a distance 0.3 m from either end of the wire and lying on the axis of wire will be zero

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