AIIMS 2004 Physics Superconductivity Assertion Reason Question
Assertion : A disc-shaped magnet is levitated above a superconducting material that has been cooled by liquid nitrogen.
Reason : Superconductors repel a magnet.
Both Assertion and Reason are true and Reason is the correct explanation of Assertion
Both Assertion and Reason are true but Reason is not the correct explanation of Assertion
Assertion is true but Reason is false
Assertion is false but Reason is true
Correct Answer
Detailed Explanation
Since superconductors exist only below a certain critical temperature and above that temperature they behave like normal materials.
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