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प्रश्न
What is meant by doping of an intrinsic semiconductor?
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उत्तर
The mixing of a small amount of pentavalent (e.g. phosphorus) or trivalent (e.g. aluminium) substance as an impurity in a pure semiconductor (e.g., Ge, Si) is called doping.
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संबंधित प्रश्न
Let np and ne be the numbers of holes and conduction electrons in an extrinsic semiconductor.
In a pure or intrinsic semiconductor, valence band holes and conduction-band electrons are always ______.
Explain the following term:
Intrinsic semiconductor
Hole is ______.
A pure semiconductor has equal electron and hole concentration of 1016 m-3. Doping by indium increases nh to 5 × 1022 m-3. Then, the value of ne in the doped semiconductor is ______.
What is a semiconductor?
How does the conductivity of an intrinsic semiconductor change when temperature rises?
How does the conductivity of an intrinsic semiconductor compare with that of an extrinsic semiconductor?
Which pairing correctly identifies examples of intrinsic and extrinsic semiconductors?
Which statement about the lattice structure of carbon, silicon, and germanium is correct?
