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← ScienceWhich mechanism causes lossless current flow through superconducting quantum interference devices?
A)Cooper pair formation reduces electron scattering✓
B)Polaron formation increases electron effective mass
C)Phonon scattering increases electrical resistance
D)Josephson effect suppresses barrier tunnelling
💡 Explanation
Cooper pair formation reduces electron scattering to virtually zero, enabling lossless current flow because electrons form weakly bound pairs that move coherently, therefore electricity passes without resistance rather than encountering scattering losses.
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