Imagine that heike onnes cooled mercury down to absolute zero and there was still resistance. would he have discovered superconductivity? yes, because he was working with mercury, which has superconductive properties yes, because he would have observed it at 4.2 k no, because superconductivity cannot occur in mercury since it is a liquid no, because superconductivity cannot occur if there is resistance

In addition to explaining electrical resistance, equilibrium distance theory also foretells the existence of superconductivity. According to its postulates, electrical resistivity decreases with distance from the equilibrium. There is only superconductivity at zero distance, with no resistance

What is Superconductivity ?

The ability of some materials to transmit electric current with virtually little resistance is known as superconductivity.

This ability has intriguing and maybe beneficial ramifications. Low temperatures are necessary for a material to exhibit superconductor behaviour. H. K. made the initial discovery of superconductivity in 1911.
Aluminum, magnesium diboride, niobium, copper oxide, yttrium barium, and iron pnictides are a few well-known examples of superconductors.

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