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Which outcome occurs when high-energy photons bombard silicon photovoltaic material?

A)Electron-hole pairs generated increase conductivity
B)Crystalline structure spontaneously becomes amorphous
C)Increased phonon scattering lowers efficiency
D)Material reaches thermal equilibrium near melting

💡 Explanation

Illumination generates electron-hole pairs in silicon through the process of band gap excitation; because photons with sufficient energy overcome the band gap, additional free carriers increase effective conductivity, therefore current increases, rather than structural changes or excessive heating.

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