material having zero resistivity
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Usually liquid helium or nitrogen is used to cool a superconductor below T_c. Zero resistivity is a state of the material in which it act as a pure conductor . But in practical every material have some resistance even a conductor due to increase in temperature.
drk29:
options are conductor,semiconductor,superconductor and supreme conductor
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Nichrome according to me but I think it is correct plzzz mark me as branlist
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