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प्रश्न
To get a n-type semiconductor from silicon, it should be doped with a substance with valence ______.
पर्याय
2
1
3
5
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उत्तर
To get a n-type semiconductor from silicon, it should be doped with a substance with valence 5.
Explanation:
Impurity of higher group is doped to get n-type semiconductor. Thus, silicon (valency = 4) should be doped with the element with valency equal to 5.
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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
To prepare n-type semiconductor the impurity to be added to silicon should have the following number of valence electrons:
(a) 2
(b) 3
(c) 4
(d) 5
Give reasons : Silicon on doping with Phosphorous forms n-type semiconductor.
A pure semiconductor is ________.
(a) an extrinsic semiconductor
(b) an intrinsic semiconductor
(c) p-type semiconductor
(d) n-type semiconductor
Distinguish between p-type and n-type semiconductors.
Group 14 element is converted to p-type semiconductor by doping it with:
To get n-type of semiconductor, germanium should be doped with ____________.
Which of the following oxides behaves as conductor or insulator depending upon temperature?
Under the influence of electric field, which of the following statements is true about the movement of electrons and holes in a p-type semiconductor?
(i) Electron will move towards the positvely charged plate through electron holes.
(ii) Holes will appear to be moving towards the negatively charged plate.
(iii) Both electrons and holes appear to move towards the positively charged plate.
(iv) Movement of electrons is not related to the movement of holes.
A perfect crystal of silicon (Figure) is doped with some elements as given in the options. Which of these options show n-type semiconductors?
How does the doping increase the conductivity of semiconductors?
