Semiconducting Devices Question 170

Question: For germanium crystal, the forbidden energy gap in joules is

[MP PET 2000]

Options:

A) $ 1.12\times {{10}^{-19}} $

B) $ 1.76\times {{10}^{-19}} $

C) $ 1.6\times {{10}^{-19}} $

D) Zero

Show Answer

Answer:

Correct Answer: A

Solution:

For Ge, $ E _{g}=0.7eV=0.7\times 1.6\times {{10}^{-19}}J=1.12\times {{10}^{-19}}J $



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