Conductivity of a conductor, Chemical Engineering

Assignment Help:

In what important respect does the conductivity of a conductor differ from that of an intrinsic Semiconductor.          

It is well known that the conductivity of a conductor is much superior to that of the intrinsic semi-conductor. In an intrinsic semiconductor the number of electrons in the conduction band is eqivalent to the number of holes in the valence band at room temperature and there exists an Energy Gap among the conduction band and valence band which doesn't permit charge carriers to move freely and therefore their conductivity is low. 

A conductor such as a metal has high conductivity. The conductivity of a semiconductor is commonly intermediate, but varies widely under dissimilar conditions, such as exposure of the material to electric fields or exact frequencies of light, and, most important, with temperature and composition of the semiconductor material.

 


Related Discussions:- Conductivity of a conductor

What is density of energy states, What is density of energy states? The...

What is density of energy states? The density of states (DOS) of a system explains the number of states at each energy level that are available to be get. A high DOS at a speci

Reaction between chloride ion and a primary carbocation, Which one of the  ...

Which one of the  following  statements  about  product  A is correct? It arose from a reaction between chloride ion and a primary carbocation It arose from a reaction

Axon, Ask queswhat is axontion #Minimum 100 words accepted#

Ask queswhat is axontion #Minimum 100 words accepted#

What are the design considerations for a piping system, What are the design...

What are the design considerations for a piping system for the transfer of slurries? The below points should be considered for designing a piping system to carry slurries: >

What is meant by crystal imperfections, What is meant by crystal imperfecti...

What is meant by crystal imperfections? Crystalline solids have a very regular atomic structure: that is, the local positions of atoms with respect to each other are frequent a

Define octane number & cetane number, 1. a)Explain the construction and wor...

1. a)Explain the construction and working of catalytic converter with a neat diagram. b)  How much of rise in temperature of water occurs when 0.222 kg of a fuel is burnt in bom

Preparation of comparative chart, PREPARATION OF COMPARATIVE CHART You ...

PREPARATION OF COMPARATIVE CHART You are given three envelopes containing quotations from three firms for two items. You will prepare a comparative chart in the format given be

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

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!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd