Carbon, silicon and germanium atoms have four valence electrons each. Their valence and conduction bands are separated energy band gaps represented ( E g ) C , ( E g ) S i , and ( E g ) G e

Question

Carbon, silicon and germanium atoms have four valence electrons each. Their valence and conduction bands are separated energy band gaps represented $(E_{g})_{C}, (E_{g})_{S i}$ , and $(E_{g})_{G e}$ respectively. Which one of the following relationship is true in their case?NEET 2005

Options:

Answer:

A

Solution:

Band gap of carbon is $5.5 eV$ while that of silicon is $1.1 eV$ $(E_{g})_{C} > (E_{B})_{S}$

TestHub · Accepted Answer

Band gap of carbon is 5.5 eV while that of silicon is 1.1 eV ( E g ​ ) C ​ > ( E B ​ ) S ​

Physics - Semiconductors Question with Solution | TestHub

Options:

Doubts & Discussion