Question

describe intrinsic and extrinsic semiconductor giving suitable example​

Answer 1

Answer:

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Explanation:

For example:- pure silicon, germanium are intrinsic semiconductor. Extrinsic semiconductor:- the process of adding impurity to pure semiconductor is called doping and the impurity atoms are called dopants.

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Answer 2

Answer:

Intrinsic semiconductor:- A pure, perfect semiconductor with an ideal crystal structure is called an intrinsic semiconductor.

Thermal energy creates conduction electron hole pairs; for every free electrons in the conduction band, there is a hole in the valence band. Limited conductivity of an intrinsic semiconductor, at room temperature and under the influence of an external electric field, is due to the motion of these equal numbers of electrons and holes.

•Extrinsic semiconductor:- When a small and controlled amount of specific impurity atoms, called dopant, is introduced into an intrinsic semiconductor to significantly change its electrical characteristics, the resulting material is called an extrinsic or a doped semiconductor.

Explanation:

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