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A conducting wire carries 5A current. It...

A conducting wire carries `5A` current. Its lenghts `6cm`. Then the magnitic field intensity at a distance of `4cm` from the wire on the perpendicular bisector of the wire is

A

`1.5xx10^(-5)T`

B

`1.5xx10^(-3)T`

C

`3xx10^(-5)T`

D

`0.75xx10^(-5)T`

Text Solution

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The correct Answer is:
A
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Knowledge Check

  • If a long straight wire carries a current of 40 A, then the magnitude of the field B at a point 15 cm away from the wire is

    A
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    B
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    D
    `5.5 xx10^(-8)Wb//m^(2)`

  • Two identical conducting wires AOB and COD are placed at right angles to each other. The wire AOB carries an electric current I_(1) and COD carries a current I_(2) . The magnetic field on a point lying at a distance d from O , in a direction perpendicular to the plane of the wires AOB and COD , will be given by

    A
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