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← ScienceWhich outcome results when thermal energy increases free electron's movement?
A)Increased electrical resistance due to scattering✓
B)Enhanced electron phase coherence length
C)Reduced material thermal conductivity
D)Decreased probability tunneling through barriers
💡 Explanation
Increased thermal energy causes more random electron motion. Because electron mobilty decreases from increased collisions (increased *electron-phonon scattering*), overall material resistivity increases; therefore, resistance will increase rather than enhanced coherence which requires cold materials.
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