Critical Current in Superconductivity
As you know when current flows into the conducting wire, a magnetic field produces around it. This can be measured by the Ampere’s law. Further, if you use a superconductor instead of normal conductor, then there will be no resitance for the electrons. This cureent will flows forever into that, but if the magnetic field produced by this current becomes greater than the critical magnetic field which is applied externally, then? What will happen with that superconductor? You will observe that concept here.
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