Word Count : 261

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In semiconductors, electron-hole pairs are generated when electrons in the valence band gain enough energy to jump to the conduction band, leaving behind a hole in the valence band. There are several key processes responsible for electron-hole pair generation. The first is thermal generation, which occurs due to the thermal energy present in the semiconductor at non-zero temperatures. At higher temperatures, some valence electrons acquire _______ ________ ____ ______ ___ ___ ________ ____ __________ ____.
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