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Superconductivity - Questions and Answers

Practice questions on Superconductivity.

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1. The current in a superconductor produces
A. zero, voltage drop across it
B. a small voltage drop across it
C. a large voltage drop across it
D. a strong electric field around it
Explanation:
2. Superconductivity was first observed by
A. Ohm
B. Ampere
C. H.K. Onnes
D. Schrieffer
Explanation:
3. Super conductivity is exhibited by
A. hydrogen at 4.2 K
B. mercury at 4.0 K
C. mercury at 4.2 K
D. potassium at 4.2 K
Explanation:
4. The first successful theory on superconductivity was due to
A. Schrieffer
B. Onnes
C. Ampere and Schrieffer
D. Bardeen Cooper and Schrieffer
Explanation:
5. At the critical temperature, the resistance of a super conductor
A. increase rapidly
B. decrease rapidly
C. remains constant
D. increase slowly
Explanation: