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MARVEL PUBLICATION-SEMICONDUCTORS -MCQs
- What is the forbidden energy gap (in joule) for a Germanium crystal ?
03:42
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- There is a small energy gap between the conduction and valence bands o...
04:14
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- Copper and silicon is cooled from 300 K to 60 K, the specific resistan...
02:17
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- Carbon , silicon and germanium have four valence elcectrons each . The...
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- The highest energy level which can be occupied by an electron in valen...
01:58
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- At absolute zero , Si acts as
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- The difference in the variation of resistance with temperature in a me...
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- Choose only the wrong statement from the following :
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- In a good conductor the energy gap between the conduction band and the...
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- In an insulator
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- A strip of copper and another of germanium are cooled from room tempe...
01:34
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- Carbon , silicon and germanium have four valence electrons each . At r...
02:14
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- The probability of electrons to be found in the conduction band of an ...
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- The level formed due to impurity atom, in the for hidden energy gap, v...
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- The impurity atoms with which pure silicon should be doped to make a p...
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- What is the change in resistance and electrical coductivity of a sem...
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- The forbidden energy band gap in conductors, semiconductors and insula...
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- How does potential barrier of a semiconductor vary with temperature?
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- In a semiconductor, the energy gap between the valence and conduction ...
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- The mobility of mobile holes is less than that of mobile electrons bec...
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