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What happens when a large value a.c. current is passed through superconductors?

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What happens when a large value a.c. current is passed through superconductors?

(a) Conductivity increases

(b) Superconducting property is destroyed

(c) It acts as a magnet

(d) It becomes resistant

I have been asked this question in an online interview.

The question is from Hall Effect in division Semiconductors of Engineering Physics II

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Right answer is (b) Superconducting property is destroyed

Easy explanation: When a large value of a.c. current is applied to a superconducting material it induces some magnetic field in the material and because of this magnetic field, the superconducting property of the material is destroyed.

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