Why a superconductor expel magnetic lines of force from inside completely when cooled below critical temperature?
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Superconductivity is a phenomenon of exactly zero electrical resistance andexpulsion of magnetic flux fields occurring in certain materials, calledsuperconductors, when cooled below a characteristic critical temperature. ... Even near absolute zero, a real sample of a normal conductor shows some resistance
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Superconductivity is a set of physical properties observed in certain materials where electrical resistance vanishes and magnetic flux fields are expelled from the material. Any material exhibiting these properties is a superconductor.
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