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← ScienceWhich mechanism causes zero resistance below Tc in Niobium-Titanium superconducting magnets?
A)Cooper Pair formation via phonon exchange✓
B)Increased electron phonon scattering events
C)Suppressed electron-electron Coulomb repulsion
D)Enhanced thermoelectric current generation locally
💡 Explanation
Cooper Pair formation results from electron-phonon interactions causing lattice distortions and attracting electrons. This 'attractive' interaction overcomes Coulomb repulsion; therefore, resistance drops rather than increases, because electrons move coherently in paired states.
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