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14 June, 19:05

The magnetic field produced by a current in a long straight wire varies with respect to the radial distance r from the wire as Group of answer choices 1/r2. 1/r3. 1/r. r2. r.

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  1. 14 June, 19:25
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    1/r

    Explanation:

    The magnetic field produced by a current in a wire decreases with distance from the wire, this means the magnetic field produced by a currents is inversely proportional to it's distance from the wire.

    Let E be magnetic field and r distance of wire

    We have that,

    E is inversely proportional to r

    (E) * (1/r)
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