Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Explain Einstein relation.
Einstein relation:
There exists a significant relation between the diffusion constant and the mobility. It is termed as the Einstein relation and may be deduced as given below:
Consider a semiconductor wherein there exists an electric field Ex and a concentration gradient as the current is zero. In these conditions the system is in the Boltzmann statistics and thermal equilibrium applies. Consider a potential V(x) producing at x an electric field E(x)= -dV/dx.
For the density of holes the Boltzmann expression as a function of x in thermal equilibrium is as
p(x) = Ce-eV/KT
Here C is a constant.
Therefore the gradient of the hole density is given by
dp/dx = (-e/KT)p.(dv/dx)
= (e/KT)p.E
The hole current vanishes in thermal equilibrium. Therefore,
O=peup Ex-eDp dp/dx
=peup Ex-(e2 /KT)Dp . Ex
Dp = (KT/e) Up (i.e. the Einstein relation).
Q. Illustrate procedure of Hex to Binary Conversion? It is also simple to convert from an integer hex number to binary. This is achieved by: Convert the Hex number t
Q. Function of circuit - breaker, difference between circuit breaker and 'isolator'? Ans: The function of circuit breaker is to break the electrical continuity in the event o
1.....If viewing this through the Assignment tool, click the title above to go to the Submissions area. Introduction The purpose of this experiment is to examine the opera
Application of Microprocessors Microprocessor microcontroller based systems may be used in almost every filed of life and their applications are increasing day by day
Given that a BJT has β = 60, an operating point defined by I CQ = 2.5 mA, and an Early voltage V A = 50 V. Find the small-signal equivalent circuit parameters g m , r o , and rπ.
What is transfer function
Three byte instruction The instruction which have 16 bit data address as its operand are three byte instruction. They need three memory locations to store them in m
Analogue Threshold switching a) Include a variable potential divider to the schematic diagram to control the transistor base voltage b) Include the potential divider compon
Q. Compare MOSFET with JFET? a. In enhancement and depletion types of MOSFET,the transverse electric field induced across an insulating layer deposited on the semiconductor ma
what is this?
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +91-977-207-8620
Phone: +91-977-207-8620
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd