Which one of the following statements concerning superconductors is false? a constant current can be maintained in a superconducting ring for several years without an emf. superconductors are perfect conductors. critical temperatures for some superconductors exceed 100 k. all materials are superconducting at temperatures near absolute zero kelvin. below its critical temperature, the resistivity of a superconductor is zero ω-m
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Physics, 21.06.2019 22:50
Calculate the heat capacity per object when the total energy is 4 quanta. (think of this in terms of increasing from 3.5 quanta of energy in the system to 4.5 quanta of energy in the system, if that were possible.) c4 = __ j/k/object
Answers: 2
Physics, 22.06.2019 14:40
On a geologic map, if the contacts between sedimentary rock units form a bull’s-eye pattern of concentric circles, with the youngest unit in the center, the underlying structure is a(n)
Answers: 3
Which one of the following statements concerning superconductors is false? a constant current can b...
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