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← ScienceWhich outcome occurs when a type-II superconducting wire is exposed to a magnetic field exceeding Hc1?
A)Flux pinning creates quantized vortices✓
B)Full Meissner effect maintains perfectly
C)Critical temperature increases linearly
D)Cooper pairs tunnel spontaneously
💡 Explanation
Flux pinning creates quantized vortices within a type-II superconductor exceeding Hc1 because the magnetic field penetrates in discrete flux quanta maintaining superconductivity imperfectly; therefore, flux penetration occurs in a controlled manner rather than a complete loss of superconductivity.
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