Question: What do you mean by critical magnetic field and critical temperature? A lead superconductor with T$_{C}$= 7.2k has critical magnetic field of 6.5$\times$10$^{3}$ A/m at absolute zero.
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What would be the magnitude of critical magnetic filed at 5 K temperature?

Subject : Applied Physics 2

Topic : Charged Particles in Electric and Magnetic Fields

Difficulty : Medium

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 modified 4 days ago  • written 9 weeks ago by
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CRITICAL MAGNETIC FIELD

The minimum value of the magnetic field required to destroy completely the super conducting phase is called as critical field

CRITICAL TEMPERATURE

The temperature at which a normal material turns into a superconducting state is called critical temperature. It is different for different superconductors

Critical magnetic field is a function of temperature.