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Physics, 09.03.2020 22:29 btsheygirl

Two concentric current loops lie in the same plane. The smaller loop has a radius of 3.9 cm and a current of 12 A. The bigger loop has a current of 20 A . The magnetic field at the center of the loops is found to be zero. What is the radius of the bigger loop?

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Two concentric current loops lie in the same plane. The smaller loop has a radius of 3.9 cm and a cu...

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