Chapter 41, Problem 11Q

To determine

To select correct options:

Regarding energy gap E_g of Si and Ge:

(a) Both substances have the same number density of charge carriers at room temperature.

(b) At room temperature, germanium has a greater number density of charge carriers than silicon.

(c) Both substances have a greater number density of conduction electrons than holes.

(d) For each substance, the number density of electrons equals that of holes.