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Read more about the article How Transistor Works : PNP and NPN Transistors
Class 12 / Physics Notes

How Transistor Works : PNP and NPN Transistors

Transistors It is such an electronic device made of p and n-type semi conductor which is used in place of triode bulb. It was invented in 1948 by American scientists…

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June 8, 2022
Read more about the article How p-n Junction Diode works : Forward and Reverse Biasing
Class 12 / Physics Notes

How p-n Junction Diode works : Forward and Reverse Biasing

p-n junction diode is a basic semiconductor device. It is a semiconductor crystal which has an excess of acceptor impurities in one region and donor impurities in the other region.…

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June 1, 2022
Read more about the article Semiconductors : How Semiconductor works and Types
Class 12

Semiconductors : How Semiconductor works and Types

Conductors, Insulators and Semiconductors Most solids can be placed in one of two classes, conductors and insulators. Conductors are those in which electric charges can flow easily, while insulators are…

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May 31, 2022
Read more about the article X-Rays – Production, Properties, Wavelength and Uses
Class 12

X-Rays – Production, Properties, Wavelength and Uses

Roentgen's discovery of X-rays Roentgen's discovery of X-rays :-  In 1895, the German scientist Rontgen observed that when a fast moving cathode ray collides with a piece of metal having…

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May 28, 2022
Read more about the article Daily use Chemical Compounds and Their Properties
Class 11 / Inorganic Chemistry

Daily use Chemical Compounds and Their Properties

Chemical Compound - Salammoniac Sal Ammoniac Ammonium Chloride : NH4Cl Ammonium Chloride is a chemical compound which found in abundance in nature. Ammonium chloride is obtained when ammonia gas is…

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April 24, 2022
Read more about the article Hard Water and Soft Water : Permutit and Anion Exchange Resins
Chemistrypage / Class 11

Hard Water and Soft Water : Permutit and Anion Exchange Resins

Hard Water and Soft Water On rubbing soap with water, it is seen that sometimes it soapsuds Seasily, sometimes with difficulty. Due to this property, water is divided into two…

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April 13, 2022
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