Valve & digital electronics: thermionic emission, Physics

Assignment Help:

(i) The procedure of ejection of electrons from a metal surface by the application of heat is known as thermionic emission and emitted electrons are known as thermions and current flowing is known as thermion current.

(ii)Thermions have dissimilar velocities.

(iii)This was discovered by Edison

 


Related Discussions:- Valve & digital electronics: thermionic emission

., 100 =6=4=9=7=9

100 =6=4=9=7=9

Brief explanation of newton’s third law of motion, EXPLANATION: Wheneve...

EXPLANATION: Whenever an interaction occurs among two objects, each object exerts the similar force on the other, but in the opposite direction and for the similar length of ti

Dimension of newton, DIMENSION of Newton DIMENSION ? The dimension of...

DIMENSION of Newton DIMENSION ? The dimension of force is [MLT -2 ]

Force, give some examples of like and unlike parallel forces

give some examples of like and unlike parallel forces

What is the significance of poynting vector, Write down the differential fo...

Write down the differential form of Poynting theorem. What is the significance of Poynting vector?

Explain friction force (ffrict), Explain Friction Force (Ffrict) Force ...

Explain Friction Force (Ffrict) Force exerted by a surface as an object moves across it or makes an effort to move across it. There are 2 parts of friction force - sliding and

Resistors in parallel , Resistor in Parallel  Components are said to be ...

Resistor in Parallel  Components are said to be in parallel when they are connected in such a way as to provide alternative paths for current flow. The characteristics o

Explain diode valve, Working: When plate potential (V p ) is positive, plat...

Working: When plate potential (V p ) is positive, plate current ( I p ) flows in the circuit (because some emitted electrons reach to plate). If +  V p enhances I p   also increas

Calculate the maximum velocity, Figure shows a simple model of spring-mass ...

Figure shows a simple model of spring-mass system. The mass is released from the rest with the springs un-stretched. It's downward acceleration is a=9.81 - 15.24y m/s 2 where y is

Working and principle of a nuclear reactor, Illustrate the working and prin...

Illustrate the working and principle of a nuclear reactor with the help of a labeled diagram?

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd