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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
p - type semi-conductors are made by mixing silicon with impurities of ______.
In a semiconductor, acceptor impurity is.................................
- antimony
- indium
- phosphorous
- arsenic
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(a) 2
(b) 3
(c) 4
(d) 5
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What is the ratio of octahedral holes to the number of anions in hexagonal closed packed structure?
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p-type semiconductors are formed when Si or Ge are doped with ____________.
Which of the following oxides behaves as conductor or insulator depending upon temperature?
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(i) Electron will move towards the positvely charged plate through electron holes.
(ii) Holes will appear to be moving towards the negatively charged plate.
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(iv) Movement of electrons is not related to the movement of holes.
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