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Superconductors are substances which

  1. A
    conduct electricity at lower temperature.
  2. B
    offer high resistance to the flow of currrent.
  3. C
    offer no resistance to the flow of current.
  4. D
    conduct electricity at high temperature.

Solution & Step-by-step Explanation

Superconductors are materials that exhibit zero electrical resistance () when cooled below a characteristic critical temperature (). Because their resistance drops to absolute zero, they offer no resistance to the flow of electric current.

Practice this question

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Superconductors are substances which
A
conduct electricity at lower temperature.
B
offer high resistance to the flow of currrent.
C
offer no resistance to the flow of current.
D
conduct electricity at high temperature.

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