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← ScienceWhich mechanism causes zero DC resistance in superconductors?
A)Formation of Cooper Pairs✓
B)Increased electron-phonon scattering
C)Magnetic domain pinning
D)Suppression of thermal expansion
💡 Explanation
The Meissner effect results in loss of DC resistance when temperature drops below the superconducting transition temperature, because electrons form Cooper pairs via phonon interaction. Therefore, current flows without resistance thanks to Bose-Einstein condensation, rather than scattering events that dominate conventional conductors.
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