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प्रश्न
A perfect crystal of silicon (Figure) is doped with some elements as given in the options. Which of these options show n-type semiconductors?




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उत्तर


Explanation:
When group 15 elements are doped into a perfect crystal, it leads to the formation of n-type semiconductor. Here, in as (group 15, period 3) is doped to perfect Si-crystal and in as (group 15, period 2) is doped to perfect Si-crystal.
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संबंधित प्रश्न
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(i) Electron will move towards the positvely charged plate through electron holes.
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