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← ScienceWhich mechanism explains zero resistance in superconducting RF cavities?
A)Cooper pair electron condensation✓
B)Increased grain boundary scattering
C)Enhanced electron-phonon interactions
D)Suppressed magnetic field penetration
💡 Explanation
Cooper pairs form because electron-phonon interactions mediate an attractive force, leading to electron condensation into a superconducting state via the Meissner effect. Therefore, cavity resistance vanishes rather than exhibiting increased resistance because of scattering mechanisms in normal conductors.
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