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A circular coil of 20 turns and radius 10cm is placed in a uniform magnetic field of 0.10T normal to the plane of the coil. If the current in the coil is 5.0A What is the total torque on the coil ? (The coil is made of copper wire of cross sectional area 105m2 and the free electron density is given to be 1029/m3

zero3.14×105Nm3.14×105N/m3.14×105Nm2

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