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प्रश्न
Explain the following term:
Intrinsic semiconductor
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उत्तर
An intrinsic semiconductor is a pure semiconductor that is free from any impurity. Pure germanium and pure silicon are examples of intrinsic semiconductors.
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संबंधित प्रश्न
Let np and ne be the numbers of holes and conduction electrons in an extrinsic semiconductor.
Let nh and ne be the number of holes and conduction electrons respectively in a semiconductor. Then ______.
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.
- Assertion (A): The resistance of an intrinsic semiconductor decreases with an increase in its temperature.
- Reason (R): The number of conduction electrons as well as hole increase in an intrinsic semiconductor with the rise in its temperature.
What is a semiconductor?
How does the conductivity of an intrinsic semiconductor change when temperature rises?
What first enables a valence electron to move to the conduction band?
Which pairing correctly identifies examples of intrinsic and extrinsic semiconductors?
