Physics, 22.11.2019 23:31 jayjay9496
The element niobium, which is a metal, is a superconductor (i. e., no electrical resistance) at temperatures below 9 k. however, the superconductivity is destroyed if the magnetic field at the surface of the metal reaches or exceeds 0.10 t. what is the maximum current in a straight, 3.2-mm-diameter superconducting niobium wire?
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