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The magnetic field at the centre of a circular coil of 50 turns and radius 10cm carrying a current of 1A, in tesla is

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Important Questions on Magnetic Effect of Current

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Consider a circular loop of radius R on the xy - plane carrying a steady current anticlockwise. The magnetic field at the center of the loop is given by
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The magnitude of a magnetic field at the centre of a circular coil of radius R , having N turns and carrying a current I can be doubled by changing
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A long solenoid with 500 turns per unit length carries a current of 1.5 A. The magnetic induction at one of the ends of the solenoid on its axis is nearly
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A coil of 50 turns carrying a current of 2A in a magnetic field of 0.5T. The torque acting on the coil is

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