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Electrical , Engineering Blogs

Gas-Filled Tube

Gas-Filled Tube A gas-filled tube is essentially a vacuum tube having a small amount of some inert gas at low pressure. The gas pressure...

Engineer Simple

Electrical , Engineering Blogs

Photo Electric Emission

Photo Electric Emission Electron emission from a metallic surface by the application of light is known as photo electric emission. When a ...

Engineer Simple

Electrical , Engineering Blogs

Field Emission & Secondary Emission

Field Emission The process of electron emission by the application of strong electric field at the surface of a metal is known as field em...

Engineer Simple

Electrical , Engineering Blogs

Thermionic Emission

Thermionic Emission The process of electron emission from a metal surface by supplying thermal energy to it is known as thermionic emissio...

Engineer Simple

Electrical , Engineering Blogs

Types of Electron Emission

Types of Electron Emission The electron emission from the surface of a metal is possible only if sufficient additional energy (equal to th...

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Electrical , Engineering Blogs

Analog and Digital Signals

Analog Signal A Countinuously varying signal (voltage or current) is called an analog signal. for Example an alternating voltage varying s...

Engineer Simple

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