ABULLAIS NEHAL AHMED
Physics
December 2021
A superconducting material is characterized by its infinitely high electrical conductivity and the absence of any magnetic field in the interior. In many areas of research, this so-called superconductivity has become indispensable. This paper takes a simple approach to explain the theory behind Superconductivity and its applications. Superconductors are materials whose electrical resistance drops below the transition temperature to zero. The superconductivity in 1911 from Heike Kamerlingh Onnes discovered. It is a macroscopic quantum state. Many metals and other materials are superconducting below their critical temperature Tc. For most materials, this temperature is very low; to achieve superconductivity, the material must generally be cooled with liquefied helium whose boiling point is 269°C. Only in the case of high-temperature superconductors is sufficient to be cooled down with liquefied nitrogen whose boiling point is 196°C
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