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← ScienceWhich outcome occurs when increased temperatures affect a piezoelectric crystal used in pressure sensors?
A)Reduced resonance frequency measurement accuracy✓
B)Increased energy band-gap widening
C)Enhanced polarization and charge separation
D)Improved electrical conductivity characteristics
💡 Explanation
Increased temperature enhances atomic vibrations, which disrupts the crystal lattice’s **Debye-Waller factor**, therefore decreasing resonance frequency accuracy rather than enhancing intended piezoelectric output because thermal disturbance reduces ordered crystalline structure effectiveness.
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