thermionic emission वाक्य
उदाहरण वाक्य
मोबाइल
- The elecrons can be provided by thermionic emission and / or secondary emission.
- The incandescent regions contribute free electrons via thermionic emission, and ( easily ionized ) metal vapor.
- Plasma is produced via discharge from a barium-oxide coated cathode, which emits electrons via thermionic emission.
- Current in the arc is sustained by thermionic emission and field emission of electrons at the cathode.
- This " shadow " led to discovery of Thermionic emission, the basis for Vacuum tubes and electronics.
- Thermionic emission can be used to measure the work function of both the hot emitter and cold collector.
- In Bethe's theory, the current is limited by thermionic emission of electrons over the metal semiconductor potential barrier.
- Hot metal will emit electron via Thermionic emission . talk ) 17 : 48, 18 November 2008 ( UTC)
- Cold cathode lamps are generally less efficient than thermionic emission lamps because the cathode fall voltage is much higher.
- In this case, the emission current is regulated by the thermionic emission process, given by the Richardson Dushman equation.
- "' Thermionic emission "'is the thermally induced flow of charge carriers from a surface or over a potential-energy barrier.
- Using this, he addresses applications such as new techniques for solar collectors ( Photo Enhanced Thermionic Emission, PETE ).
- After receiving his M . A . in 1905, he began research on thermionic emission in the Cavendish Laboratory.
- The heated filament, or cathode, was capable of thermionic emission of electrons that would flow to the " detector.
- In the triode, electrons are released into the tube from the metal cathode by heating it, a process called thermionic emission.
- Although it resembles a vacuum tube in appearance, its operation does not depend on thermionic emission of electrons from a heated cathode.
- The heater is electrically isolated from the surrounding cathode and simply serves to heat the cathode sufficiently for thermionic emission of electrons.
- Because cold cathode lamps have no thermionic emission coating to wear out they can have much longer lives than hot cathode tubes.
- That current, known as the " Edison effect " or thermionic emission, can be characterized by a curve relating current and voltage.
- Instead, they use a more reliable and controllable source of electrons, a heated filament or hot cathode which releases electrons by thermionic emission.
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