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← ScienceWhich mechanism causes increased resistivity when lattice defects accumulate in a metal wire?
A)Electron-phonon scattering intensification✓
B)Reduced Fermi surface distortion
C)Increased Cooper pair formation
D)Amplified Bloch wave propagation
💡 Explanation
Accumulated lattice defects disrupt the periodic potential, intensifying electron-phonon scattering that impedes electron flow, thus increasing resistivity, because electron mobility decreases. Therefore resistivity increases rather than decreasing due to undisturbed Bloch waves.
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