Superconductors and their Applications
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Questions and Answers

What is the primary reason for the formation of superconductors?

  • The high temperature of the material
  • The presence of impurities in the material
  • The absence of defects in the material
  • The interaction between electrons in the material (correct)

What is the temperature below which a material becomes a superconductor?

  • Freezing point
  • Room temperature
  • Critical temperature (correct)
  • Absolute zero

What happens to the electrical resistance of a superconductor below its critical temperature?

  • It increases gradually
  • It decreases gradually
  • It drops to zero (correct)
  • It remains constant

What is a characteristic of the transition from a conductor to a superconductor?

<p>It is a sudden and complete process (B)</p> Signup and view all the answers

What is a common application of superconductors?

<p>MRI machines (C)</p> Signup and view all the answers

What was previously thought to be the only temperature at which electrical resistivity becomes zero?

<p>Absolute zero (A)</p> Signup and view all the answers

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