Materials for which the resistivity at a very low temperature abruptly plunges from a finite value to one that is virtually zero and remains there upon further cooling are called:
A. Low conductors
B. Superconductors
C. High conductors
D. Extremely high conductors
Answer:B
Materials for which the resistivity at a very low temperature abruptly plunges from a finite value to one that is virtually zero and remains there upon further cooling are called:
A. Low conductors B. Superconductors C. High conductors D. Extremely high conductors