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← ScienceWhich risk increases when applying a mechanical stress to piezoelectric crystal?
A)Induced charge screening increases
B)Premature dielectric current breakdown✓
C)Ferromagnetic domain volume growth
D)Increased crystal lattice coherence
💡 Explanation
Dielectric breakdown is more likely because applied stress induces large electric fields in the crystal via the piezoelectric effect. This causes a voltage exceeding the material's dielectric strength, therefore breakdown occurs rather than lattice coherence, whose improvement requires other conditions.
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