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S.I. UNITS  In an additional continuation of our theme mentioned above, the concept can often be easily accessible and comprehensible if we are familiar with the SI units of the physical quantity, Prefixes, symbols, values, symbols of Greek letters used in the unit. The complete knowledge of all this physical quantity helps us to understand the subject very clearly. Before entering the individual theme of the topic, let us familiarize ourselves with the physical quantities.  UNITS  The reference standard for measurement is called a unit. The measure of a physicist the quantity is necessary because, without it, we cannot study the characteristics of the problem. There are seven physical quantities, the length, the mass, the time, the electric current, the temperature, the intensity of the light and the amount of substance are Called fundamental physical quantities.  DERIVATIVE UNITS  All those units in physics, that is, derived from the units of lengt...

   when a small amount of pentavalent impurities is added to a pure semiconductor, it is known as an n-type semiconductor. The addition of pentavalent impurities produces a large number of free electrons in the semiconductor crystal, from the bonding diagram.  Since arsenic is a pentavalent element, the four valence electrons of germanium form a covalent bond with the arsenic atom and the electrons of the fifth valence are left free producing n-type conductors.  SEMICONDUCTOR p-type    When a small amount of trivalent impurities is added to a pure semiconductor, it is called p-type semiconductor. Such impurities that produce the p-type Semiconductor are known as acceptor impurities because the holes created can accept the electrons. The formation of the p-type semiconductor can be explained with the help of the connection diagram mentioned above.  When a small amount of trivalent impurities such as gallium is added to the pure germa...

   According to John Daltons, the atom of the atomic theory is the smallest particle of an element that is indivisible. Later, Bhor and Rutherford assigned a model for an atom and also altered the definition of an atom. An atom is the smallest particle of an element that can be divisible. The fundamental particles of an atom are electrons, protons, and neutrons. The electrons have a negative charge, the protons have a positive charge and the neutrons have a neutral charge. The electrons present in the outermost part of an atom are called Valence electrons or free electrons. It is these Valence electrons or free electrons that plays an important role in determining the given substance as conductors, insulators, and semiconductors. Semiconductors play an important role in the field of electrons. A semiconductor can be defined on the basis of its conductivity, resistivity, and atomic structure. There are two types of semiconductors (a) intrinsic semiconductors...

     Electronic Technology is moving so fast that new developments can be confusing for consumers to understand. The growth of Electronics leads to diverse applications in the field of Science and Technology, Medical Technology and Engineering. The various devices that are used for practical applications are Radio, Televisions, Computers, Telephones, Mobile phones, and other communication devices.     The growth of Electronics leads to diverse applications in the field of science and technology, medical technology, engineering and other communication devices. Since it is a field in development, additional researchers lead to many applications that are practically revolutionized, there is no limit to their development and they will continue forever. BASIC ON ELECTRONICS AND ITS GROWTH.      To understand the latest news on an electronic technology of the world, one must know the basic elements of electricity and electronics. ...