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Consider the following statements: 1. Superconductors exhibit normal conductivity behaviour above a transition temperature Tc 2. Superconductors lose their superconducting nature in an external magnetic field, provided the external magnetic field is above a critical value. 3. High Tc, superconductors have T, values in the range 1 to 10 K. Which of the above statements are correct?

Consider the following statements: 1. Superconductors exhibit normal conductivity behaviour above a transition temperature Tc 2. Superconductors lose their superconducting nature in an external magnetic field, provided the external magnetic field is above a critical value. 3. High Tc, superconductors have T, values in the range 1 to 10 K. Which of the above statements are correct? Correct Answer 1 and 2 only

  • For temperature above transition temperature Tc a superconductor transforms to normal conductor.
  • When applied magnetic field is greater than the critical magnetic field H > Hc a super conductor becomes a normal conductor.
  • High Tc super conductors have Tc > 50° K

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