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Which consequence results when applying excessive voltage across solid lead-sulfide?

A)Increased intrinsic carrier concentration.
B)Augmented ionic Frenkel defect population.
C)Elevated electron-phonon scattering rate.
D)Decreased Auger recombination lifetimes.

💡 Explanation

Increased voltage biases the formation energy, therefore *interstitial defect* populations grow; because applied energy surpasses lattice binding, rather than changing intrinsic properties, electron scattering, or recombination rates.

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