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Physics, 17.03.2020 00:27 nayiiii1874

You measure the magnetic field of a long, current-carrying wire to be B is equal to start fraction 50 times mu naught over pi end fraction at a distance of r = 7.5 cm. How much current is running through the wire?

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You measure the magnetic field of a long, current-carrying wire to be B is equal to start fraction 5...
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