Question
The temperature bellow which a material becomes a superconductor is called:

Answer

  1. Critical temperature.
Explanation:
Critical temperature is the temperature below which metals when taken exhibit zero resistivity and turns into a superconductor. The critical temperature varies with the individual material. Because these materials have no electrical resistance, meaning electrons can travel freely through them, they can carry large amounts of electrical current for long periods of time without losing energy as heat. The transition is so sudden and complete that it appears to be a transition to a different phase of matter; known as the superconducting phase.

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