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Total Questions: 5
1. When does a normal conductor become a superconductor?
Correct Answer is : At critical temperature
2. In which of the following does the residual resistivity exist?
Correct Answer is : Impure metal at low temperature
3. Meissner effect occurs in superconductors due to which of the following properties?
Correct Answer is : Diamagnetic property
4. What happens when a large value a.c. current is passed through superconductors?
Correct Answer is : Superconducting property is destroyed
5. How is persistent current produced in supermagnets?
Correct Answer is : By passing dc current
