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cse โ€ข paper_2 โ€ข solid_state_electronics

[UPSC CSE 2014] Superconductivity (Q120, 10M)

Lead in the superconducting state has critical temperature of 6.2\ \mathrm{K} at zero magnetic field and a critical field of 0.064\ \mathrm{MA\,m^{-1}} at 0\ \mathrm{K}. Determine the critical field at 4\ \mathrm{K}.

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