Electronic Devices Question 33

Question: When the electrical conductivity of a semi- conductor is due to the breaking of its covalent bonds, then the semiconductor is said to be

[AIIMS 1997; KCET (Engg.) 2002]

Options:

A) Donar

B) Acceptor

C) Intrinsic

D) Extrinsic

Show Answer

Answer:

Correct Answer: C

Solution:

$ \begin{matrix} \text{Intrinsic} \ \text{semiconductor} \ \end{matrix} $ Conductivity is due to the breaking of covalent bond $ \begin{matrix} \text{Extrisnsic} \ \text{semiconductor} \ \end{matrix} $ Conductivity is due to the breaking of covalent bond and excess of charge carriers due to impurity.



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