Electronics and Communication Engineering - Electronic Devices and Circuits - Discussion

1. 

The product kT (where k is Boltzmann's constant and T is absolute temperature) at room temperature is about

[A]. 0.051 eV
[B]. 0.026 eV
[C]. 0.01 eV
[D]. 0.001 eV

Answer: Option B

Explanation:

No answer description available for this question.

Akitete said: (Sep 30, 2017)  
(1.38x10^-23)(25)/1.602x10^-19.

= 0.26.

Shadan said: (Jan 21, 2018)  
@Akitete.

How 25 came?

Gab said: (Mar 10, 2018)  
@Shadan.

It is the standard room temp for electronics.

Daniel said: (Mar 27, 2018)  
@Akitete.

What is 1.602x10^-19?

Jason said: (May 26, 2019)  
k = 1.38x10^-23 electron charge = 1.6x10^-19.
(1.38x10^-23)(273)/(1.6x10^-19) = 0.02.

Glennfrey Sid said: (Feb 21, 2020)  
KT/q= 1.38x10^23 (273+25) /1.61x10^-19 =0.0256 eV.

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