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प्रश्न
What happens when some valence electrons gain enough energy as temperature increases?
पर्याय
They move into the conduction band, leaving behind holes.
They prevent free charge carriers from forming.
They become intentionally added impurity atoms.
They make the valence band full and the conduction band empty.
MCQ
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उत्तर
Energy gained with rising temperature can move valence electrons into the conduction band. Each departing electron leaves a hole in the valence band.
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