Question

materials having zero resistance

Answer 1

Hi there


Your answer is : superconductor

Superconductivity is a phenomenon of exactly zero electrical resistance and expulsion of magnetic flux fields occurring in certain materials, called superconductors, when cooled below a characteristic critical temperature.


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Answer 2

in ordinary conductor such as copper or silver this decrease is limited by impurities and other defects even near absolute zero a real sample of a normal conductor shows some resistance in a superconductor the resistance drop abruptly abruptly to zero when the material is cooled below its critical temperature