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demerits of semiconductor diode over vacuum diodei it cant withstand high reverse voltageii it cant operate at fairly high
what are the merits of semiconductor diode over vacuum diodei smaller in sizeii greater efficiencyiii cheaperiv
describe how tunneling takes place when tunnel diode is forward biased its initial behaviour is
what is meant by tunnelling phenomenona tunnel diode is a high conductivity two-terminal p-n junction doped heavily about 1000 times higher than a
can an ordinary diode be used as a zener diode justify your answeransordinary diode cant be used as a zener diode since ordinary diodes arent
explain the term- zener breakdown under a very high reverse voltage depletion region expands and potential barrier increases resulting in a very high
what is avalanche breakdown minority carriers under reverse biased conditions flowing through the junction acquires a kinetic
explain how suppressor grid eliminates effect of secondary emission in pentodeans suppressor grid is placed in between plate and screen grid its
identify the sample and suggest a population from which it was selected then classify the sample as sample stratified or systematic explain your
sales price of a compact disc player is 200 each new cd is on sale for 12 kyle purchases a player and some cds for 224 how many cds were
determine the rate constant from the concentration-time dependence time
what are the objectives of the earth pressure and retaining structuresafter knowing all concepts about the same you should be able to learna know the
what are the approaches to the design of retaining wallsthe approach to the design of retaining walls can be started as followsa chosse a trial
determine about the stacking fault stacking faults happen in a number of crystal structures but the common example is in
what is crystal twinningcrystal twinning occurs when two divide crystals share some of the same crystal lattice points in a symmetrical manner the
define the first step to envision the pattern of deformationthe first step in the analysis is to envision the pattern of deformation that would
how is retaining wall worksa retaining wall together with the backfill the wall retains and the soil that supports the wall is a highly indeterminate
interfacial defects grain boundaries are interfaces where crystals of dissimilar orientations meet a grain boundary is a single-phase interface
dislocations-linear defects dislocations are abrupt alters in the regular ordering of atoms along a line
state the term- solubilitysolid solutions are made of a host the solvent or matrix which dissolves the solute minor component the ability to dissolve
impurities of solidsimpurities are frequently added to materials to improve the properties for example carbon added in small amounts to iron makes
explain about the interstitial defectsan interstitial is an atom that occupies a place outside the normal lattice position it might be the similar
what is frenkel defecta pair of one cation and one anion can be missing from an ionic crystal as shown in the following figure such a pair of vacant
what are the lattice vacanciesthe lattice vacancies are a stable feature of metals at all temperatures above absolute zero by successive jumps of
vacancies a vacancy is a lattice position that is vacant due to the atom is missing it is formed when the solid is formed vacancies are simply