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← ScienceWhich outcome occurs when a Type II superconducting magnet quenches?
A)Magnetic field collapses; resistance increases✓
B)Flux pinning dramatically improves stability
C)Critical temperature temporarily is heightened.
D)Cooper pair density remains essentially constant
💡 Explanation
The magnetic field collapses and resistance increases during a quench because thermal runaway disrupts the Meissner effect. The Abrikosov vortex regime breaks down, causing rapid ohmic heating driven by current redistribution, rather than improved flux pinning.
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