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@bdshosen
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April 20, 2018
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bdshosen
busy
2018-06-14 18:54
Valence Electrons and Free Electrons
Valence Electrons The electrons in the outermost orbit of an atom are known as valence electrons. An electron in one of the outer shells of an atom that can participate in forming chemical bonds with other
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bdshosen
busy
2018-06-14 07:08
Working Principal of Transformer
Working Principal The physical basis of a transformer is mutual inductance between two circuits linked by a common magnetic flux. In it simplest form, it consists of two inductive coils which are electrically
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bdshosen
busy
2018-06-11 18:00
Problem of Wheel
Problem Wheel 𝑨 has 𝟑𝟎 teeth and wheel 𝑩 has 𝟏𝟎𝟎 teeth. How many revolutions will wheel 𝑩 give if wheel 𝑨 gives 𝟓 revolutions? Solution In 5 revolutions, wheel A will pass 5×30=150 teeth. B also
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bdshosen
busy
2018-06-11 10:39
Electric Voltage
Electric Voltage Voltage, potential difference, is the energy required to move a unit charge through an element, measured in volts (V). Basic Concept To move the electron in a conductor in a particular
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bdshosen
busy
2018-06-10 17:51
Transformer and its Classifications
Transformer A transformer is a static piece of apparatus by the means of which electric power in one circuit is transferred into electric power of the same frequency in another circuit. Classification
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bdshosen
busy
2018-06-09 08:02
Definition of Electronics and its Functions
Electrionics The branch of engineering which deals with current conduction through a vacuum or gas or semiconductor is known as Electronics. Electronics Engineering involves analysis and design of devices
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bdshosen
busy
2018-06-07 17:25
Impressive Mathematical Problem
Problem The circular disc of radius 𝟓𝒎 is divided into 7 equal parts and colored in the sequence "𝑽𝑰𝑩𝑮𝒀𝑶𝑹". What is the minimum velocity at which it will seem white to a human? (Persistence of
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bdshosen
science
2018-06-07 09:13
Electric Current
Electric Current Electric current is the time rate of change of charge, measured in amperes (A). Mathematically, the relationship between current i, charge q, and time t is i=dq/dt Basic Concept Consider
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bdshosen
science
2018-05-02 14:45
Electric Charge
Electric Charge Electric charge is a property which determines the electromagnetic interaction of subatomic particles, denoted by (q), measured in coulombs (C). Subatomic Particles Subatomic particles
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bdshosen
quotation
2018-04-27 19:03
Valuable Quotations 002
The important thing about a problem is not its solution, but the strength we gain in finding the solution. --- Anonymous
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bdshosen
engineering
2018-04-25 16:11
Electric circuit definition
Electric Circuit : An electric circuit is an interconnection of electrical elements. A simple electric circuit is shown in following figure. It consists of four elements: a battery, a lightbulb, a switch
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bdshosen
health
2018-04-23 06:34
Bangladesh Invented Bioplastic Jute Poly Bag and International Market Potentials
In one minute one million plastic bags are in use around the world and in Europe plas-tic carrier bags are produced 3.4 million tons in a year and average European uses about 500 plastic bags per year
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bdshosen
quotation
2018-04-22 07:20
Valuable Quotations 001
Some books are to be tasted, other to be swallowed, and some few to be chewed and design --- Francis Bacon
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