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Which 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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