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Find the magtiude and direction of a f...

Find the magtiude and direction of a force vector acting on a unit length of a thin wire, carrying a current `I = 8.0 A`, at a point `O`. If the wire is hent as shown in (a) Fig with curvature radius `R = 10 cm`
(b ) Fig the distance between the long parallel segments of the wire being equal to `l = 20 cm`.

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