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a conducting circular loop of radius a is placed in a uniform ,perpendicular magnetic field B. A thick metal rod OA is pivoted at the centre O. The other end of the rod touches the loop at A.The centre O and fixed point C on the loop are connected by wire OC.A force is applied at the middle point of rod OA perpendicularly,so that the rod rotates clockwise at uniform angular velocity w.Resistance of OC zero.circular loop has resistanceR uniformly distributed on it.Find current in rod,angleAOC90


a conducting circular loop of radius a is placed in a uniform ,perpendicular magnetic field B. A thick metal rod OA is pivoted at the centre O. The other end of the rod touches the loop at A.The centre O and fixed point C on the loop are connected by wire OC.A force is applied at the middle point of rod OA perpendicularly,so that the rod rotates clockwise at uniform angular velocity w.Resistance of OC zero.circular loop has resistanceR uniformly distributed on it.Find current in rod,angleAOC90


Grade:9

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