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1 July, 07:04

A circular loop of wire of radius r = 0.072 m is placed in a uniform magnetic field B = 13 T, with the plane of the loop perpendicular to the direction of the field, B. Calculate the magnetic flux through the loop. 0.021 Wb 0.293 Wb 0.212 Wb 0.179 Wb

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  1. 1 July, 08:02
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    0.212 Wb

    Explanation:

    Area = π r² = π (0.072) ² = 0.01628 m²

    Magnetic field given = B = 13 T

    Magnetic flux is the dot product of the Area of cross section and the magnetic field.

    Magnetic flux is the number of field lines that pass through a given surface.

    Ф = B. A cos θ here θ is the angle between the magnetic field lines and the normal perpendicular to the surface.

    Ф = (13) (0.01628) = 0.212 Wb
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