Q67
A Type-I superconductor is 1. A conductor of infinite conductivity at all temperature. 2. A conductor with very large conductivity below a critical temperature. 3. A material showing susceptibility = -1 drastically reduced by a critical temperature. 4. A perfect conductor having conductivity drastically reduced by a critical current. Which of these statements are correct?
A.
1, 2 and 3 only
B.
2, 3 and 4 only
AnswerC.
1, 2 and 4 only
D.
1, 2, 3 and 4
Answer: Option B
Solution
Answer: Option B
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