Question

What is the value of kT at room temperature?

(a) 0.0256eV

(b) 0.25eV

(c) 25eV

(d) 0.0025eV

I had been asked this question in an international level competition.

I want to ask this question from Band Structure of an Open-Circuited p-n junction in division Semiconductor-Diode Characteristics of Electronic Devices & Circuits

Answer 1

Right choice is (a) 0.0256eV

Explanation: kT=1.38*10^-23*300K

=4.14*10^-21/ (1.6*10^-19)

=0.0256eV.