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Magnetic field — UPSC IFoS 2022 Physics PYQ
Buy PYQ Solution Manual →A wire in the form of a hexagon is just enclosed by a circle of radius 10\text{ cm}. If the current in the wire is 1\text{ A}, find the magnetic field at the centre of the hexagon. What would be the direction of the field if the current flows in the anti-clockwise direction ?
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