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UPSC Prelims 1991Question 111Science & Technology

Superconductors are so called because they

Options

  1. (a)Efficiently conduct heat from one hot body to another
  2. (b)Offer no resistance to conduction of heat at high temperatures
  3. (c)Offer no resistance to conduction of electricity at low temperatures
  4. (d)Produce high temperatures while conducting electricity

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