Superconductors
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Questions and Answers

What is the magnetising behavior of type-I superconductors?

  • They expel all the magnetic field abruptly and become ideal diamagnetic material (correct)
  • They allow magnetic flux lines to penetrate completely inside the material
  • They exhibit no change in magnetisation with an applied external magnetic field
  • They gradually lose magnetisation rather than abruptly

    • What happens to the magnetisation of type-I superconductors at the critical magnetising field?

  • It decreases abruptly and the material becomes normal (correct)
  • It reverses direction and becomes paramagnetic
  • It increases abruptly and the material becomes superconducting
  • It remains constant and the material stays superconducting

    • What is the magnetising behavior of type-II superconductors?

  • They lose magnetisation gradually rather than abruptly (correct)
  • They expel all the magnetic field abruptly and become ideal diamagnetic material
  • They exhibit no change in magnetisation with an applied external magnetic field
  • They allow magnetic flux lines to penetrate completely inside the material

    • What happens to the magnetic flux lines in type-II superconductors at the lower critical field (HC1)?

    <p>The flux starts penetrating into the material</p> Signup and view all the answers

    What happens to type-II superconductors at the upper critical field?

    <p>The material returns to its normal state</p> Signup and view all the answers

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