Definition of Electronics and its Functions

in #busy6 years ago


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Electrionics



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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 that are constructed form semiconductors such as Transistors, Diodes etc while Electrical Engineering involves analysis and design of devices which are constructed from conductors such as Electric Motor, Transformers etc.



Functions of Electronics



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Rectification : The conversion of a.c. into d.c. is called rectification. Electronic devices can convert a.c. power into d.c. power with very high efficiency.


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Amplification : The process of raising the strength of a weak signal is known as amplification.


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Generation : Electronic devices can convert d.c. power into a.c. power of any frequency. When performing this function, they are known as oscillators.


Control : Electronic devices find wide applications in automatic control such as speed of a motor.


Conversion of light into electricity : Electronic devices can convert light into electricity. This conversion of light into electricity is known as photo-electricity.


Conversion of electricity into light : Electronic devices can convert electricity into light.

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