AIIMS2004Physics-Electromagnetism
AIIMS 2004 Physics Superconductivity Assertion Reason Question
Type: Assertion Reason-conceptual-Medium-Class 12
Assertion : A disc-shaped magnet is levitated above a superconducting material that has been cooled by liquid nitrogen.
Reason : Superconductors repel a magnet.
A
Both Assertion and Reason are true and Reason is the correct explanation of Assertion
B
Both Assertion and Reason are true but Reason is not the correct explanation of Assertion
C
Assertion is true but Reason is false
D
Assertion is false but Reason is true
Correct Answer
Option A
Detailed Explanation
Since superconductors exist only below a certain critical temperature and above that temperature they behave like normal materials.
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