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Which consequence results when thermal lattice vibrations exceed levels enabling electron mobility in silicon?

A)Increased material electrical resistance
B)Increased frequency of Bloch oscillations
C)Diminished rate of phonon propagation
D)Reduced rate of electron tunneling

💡 Explanation

Increased lattice vibration disrupts the periodic potential because electron mobility and lower potential energies depend on a well-defined band structure; therefore, resistance increases rather than the described alternatives. Phonon propagation and tunneling effects still permit an insulated state.

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