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← ScienceWhich mechanism dictates increased metallic conductance when temperature decreases?
A)Decreased electron-phonon scattering✓
B)Increased electron mean-free path
C)Enhanced electron-electron interactions
D)Reduced surface plasmon resonance
💡 Explanation
Lower temperature reduces lattice vibration amplitude; therefore decreased electron-phonon scattering occurs because the electrons encounter fewer obstacles, increasing conductivity rather than the effects of changed electron interactions under changing temperature.
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