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A current carrying conductor is in the s...

A current carrying conductor is in the shape of an arc of a circle of radius R subtending an angle q at the centre (C). A long current carrying wire is perpendicular to the plane of the arc and is at a distance `2R` from the midpoint (M) of the arc on the line joining the points M and C. Current in the arc as well as straight wire is I. Find the magnetic force on the arc.

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