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5 August, 08:27

A 1.0-m long wire is carrying a certain amount of current. The wire is placed perpendicular to a magnetic field of strength 0.20 T. If the wire experiences a force of 0.60 N, what is the magnitude of the current moving through the wire?

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  1. 5 August, 08:32
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    For a current-carrying wire running perpendicular to a magnetic field, the magnetic force acting on the wire is given by:

    F = ILB

    F = magnetic force, I = current, L = wire length, B = magnetic field strength

    Given values:

    F = 0.60N, L = 1.0m, B = 0.20T

    Plug in and solve for I:

    0.60 = I (1.0) (0.20)

    I = 3.0A
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