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Explain briefly, with the help of circuit diagram, how V - I characteristics of a p-n junction diode are obtained ii
(i) forward bias, and
(ii) reverse bias.
Illustrate the shape of the curves obtained.
(b) A semiconductor has equal electron and hole concentration of 6 x 108 /m3. On doping with certain impurity, electron concentration increases to 9 X1012 /m3.
(i) Recognize the new semiconductor obtained after doping.
(ii) Calculate the new hole concentration
Attraction & repulsion of atom: It can be observed, that if two negatively charged bodies are brought together, there is a force of repulsion between them. Similarly if two p
A 95.7-nm film of an unknown substance is able to prevent 555-nm light from being reflected when surrounded by air. What is the index of refraction of the substance 2d
Let's say I have a pinball (solid sphere) with a given mass and radius, and it is held back at a certain distance from equilibrium on a spring. The spring constant k is given, and
Two elements A and B form compounds having molecular formulae AB 2 and AB 4 . dissolved in 2O g of benzene, 1 g of AB2 lower the freezing point by 2.3 K, whereas 1 g of AB4 lowers
What are multistranded fibers? Multistranded optics is narrow walled tubes of transparent material that housing a number of smaller solid core fibers. These inner fibers are, u
if acceleration vs time graph is given then how to calculate displacement
to find coefficient of viscosity of a liquid using stok''s law
Introduction : A country gets specialisation in a specific commodity due to diversification of economic resources. This stimulates a country to go for international trade. Inte
Show that the spectrum of thermal radiation for T ¼ 300K peaks at approximately 10 microns.
Action and reaction with a roller skate Place a roller skate on a smooth floor. Step on the roller skate with one foot and take a step forward with the other. Observe that the
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