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प्रश्न
Two crystals C1 and C2, made of pure silicon, are doped with arsenic and aluminium respectively.
Why is doping of intrinsic semiconductors necessary?
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उत्तर
Doping is necessary to increase the conductivity of semiconductors at normal temperatures.
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संबंधित प्रश्न
Answer in detail.
Distinguish between intrinsic semiconductors and extrinsic semiconductors.
Let nh and ne be the number of holes and conduction electrons respectively in a semiconductor. Then ______.
In a semiconductor, the number of holes and number of free electrons are represented as 'nh' and 'ne' respectively. Which one of the following statements is TRUE for the semiconductor?
In a pure or intrinsic semiconductor, valence band holes and conduction-band electrons are always ______.
Explain the following term:
Intrinsic semiconductor
Hole is ______.
What is meant by doping of an intrinsic semiconductor?
Name the two types of atoms used for doping of Ge/Si.
Answer the following giving reasons:
Impurities are added to intrinsic semiconductors.
Identify the WRONG statement from the following. In an intrinsic semiconductor ______.
