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Which outcome results when a crystal lattice imperfection occurs?

A)Increased electron-phonon scattering rates
B)Complete optical transparency at all wavelengths
C)Elimination of all electrical resistance
D)Uniform thermal expansion coefficients emerge

💡 Explanation

Increased electron-phonon scattering occurs because point defects introduce local vibrations affecting electron transport via increased phonon interactions. Therefore, electrical and thermal resistivity increases rather than perfect conductivity because perfect lattices minimize these interactions.

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