Question

The temperature dependence of the electrical conductivity (σ) of three intrinsic semiconductors A, B and C is shown in figure

Let $E_A, E_B$ and $E_C$ be the bandgaps of A, B and C, respectively. Which one of the following relations is correct?

• A. $E_C\gt E_A\gt E_B$
• B. $E_B\gt E_C\gt E_A$
• C. $E_A\gt E_B\gt E_C$
• D. $E_A\gt E_C\gt E_B$

Answer 1

Answer: (D)

$E_A\gt E_C\gt E_B$

Answer 2

The correct option is (D) :$E_A\gt E_C\gt E_B$