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What is the magnetising behavior of type-I superconductors?
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?
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?
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)?
What happens to the magnetic flux lines in type-II superconductors at the lower critical field (HC1)?
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What happens to type-II superconductors at the upper critical field?
What happens to type-II superconductors at the upper critical field?
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