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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

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

Grade:10

1 Answers

Arun
25763 Points
2 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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