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Superconductors exhibit which of the following properties?(a) Ferromagnetism(b) Polarisation(c) Diamagnetism(d) FerrimagnetismI got this question at a job interview.This key question is from Electrostatic Energy in portion Electrostatic Fields of Electromagnetic Theory |
Answer» CORRECT ANSWER is (C) Diamagnetism To explain I would say: SINCE SUPERCONDUCTORS have very good conductivity at low temperatures (σ->∞), they have nearly zero resistivity and exhibit perfect diamagnetism. |
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