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Class 12 NEET Physics Moving Charges and Magnetism

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Question : 1

Total: 96

A tightly wound 100 turns coil of radius 10‌cm carries a current of 7A. The magnitude of the magnetic field at the centre of the coil is (Take permeability of free space as 4π×10−7‌SI units):

44‌mT
4.4T
4.4‌mT
44T

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