Superconductors are materials that ___.

have no resistance

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have considerable resistance

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have very high resistance

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have variable resistance

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Solution

The correct option is A
have no resistance

Superconductors are materials that when cooled below a certain threshold temperature, dramatically lose all electrical resistance. In principle, superconductors can allow electrical current to flow without any energy loss.

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Similar questions

The substance having infinitely high electrical resistance is called:
(a) conductor (b) resistor (c) superconductor (d) insulator

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