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hall effect can be used to measurea mobility of semiconductors b conductivity of semiconductorsc resistivity of
a pair of one cation and one anion missing in a crystal of the type ab is known asschottky
a ge atom contains ge atom contains four valence
course content on design cad modeling linkage synthesis and creating proper engineering drawings is the focus for this project in terms of design a
the property of a material by which it can be drawn into wires is called as ductility is the only property of a material by which it can be drawn
in me1 you are beginning to develop knowledge of design materials and basic machine elements eg power screws bolted joints bearings gears in
an electron in the conduction bandhas a higher energy than an electron in the valence
malleability of a metal is theproperty by which a material can be cold-worked
insulating material used in spark plug isporcelain
the hardness of quenched martensite is first enhances and then remains almost constant as the carbon percentage
the degree of freedom when ice water and water vapour coexist in equilibrium
in a ferroelectric material the spontaneous polarization vanishes above curie temperature
what is tie-line rulethe tie-line rule is applied to verify the compositions of two co-existing phases in a binary phase diagram the tie line is a
in what important respect does the conductivity of a conductor differ from that of an intrinsic
explain the different types of polarization mechanisms in dielectricsthere are essentially four basic kinds of polarization mechanismsinterface
what is density of energy statesthe density of states dos of a system explains the number of states at each energy level that are available to be get
explain sommerfeld theorysommerfeld theory the theory was originally proposed in 1900 to define and correlate the electrical and thermal properties
free electron theory of metalsthis theory tells that metals conduct electricity due to the presence of free electrons in it the outermost shells of
properties of filament and contact materialsthe filament materials must have low resistance temperature co-efficient high melting point high
what is metallisationmetallisation metalizing is the procedure of evaporating a film of metal onto products normally the same is done in vacuum
applications of diffusion is of fundamental significance in many disciplines of mechanical electronics chemistry and biology some example
diffusion molecular diffusion often known as simply diffusion is a net transport of molecules from a region of higher concentration to one of lower
explain oxidationoxidation oxidation is defined as the interaction among oxygen molecules and all the dissimilar substances they may contact from
the functions of the oxide layer are to 1 mask against diffusion or ion-implant 2 passivate the surface electrically and chemically 3
explain the various steps required in the fabrication of an integrated circuitlithography the method for pattern definition by applying thin uniform