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Which outcome occurs when a steadily increasing uniform pressure is exerted on a piezoelectric crystal lattice?

A)Increased electrical polarization occurs
B)Spontaneous demagnetization of domains occurs
C)Crystal lattice superconductivity emerges
D)Significant reduction in the bandgap occurs

💡 Explanation

Increased polarisation occurs because the applied pressure distorts the crystal lattice causing charge separation, via the piezoelectric effect. As the material deforms, its polarization increases along the applied distortion rather than a creating different state of matter, therefore polarization is accurate.

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