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

Lc oscillations, what happens if lc oscillations circuit is placed in diele...

what happens if lc oscillations circuit is placed in dielectric chamber?

Scintillator counter, Ask question #Minimum 10theory0 words accepted#

Ask question #Minimum 10theory0 words accepted#

What does this notify you about the image, Presume you are asked to find th...

Presume you are asked to find the characteristics of the image of an actual physical object formed by a single lens and you obtain a negative value for the magnification. What does

Inkjet printer, definition, Working principal, applications ??

definition, Working principal, applications ??

Define magnetic field half way between axis and outside edge, A copper rod ...

A copper rod which is 1 centimetre in diameter carries a current of 5 amps.  The current is distributed uniformly throughout the rod.  The magnetic field half way between the axis

Determine the power input of ac motor, A 415V 3-phase a.c. motor has a powe...

A 415V 3-phase a.c. motor has a power output of 12.75kW and operates at a power factor of 0.77 lagging and with an ef?ciency of 85%. If the motor is delta-connected, verify

Electrical Symbols, how does electrical symbols positively affects in our E...

how does electrical symbols positively affects in our Electrical subjects

Determine the terminal velocity, A 10 kg block slides down a smooth incline...

A 10 kg block slides down a smooth inclined surface as shown in Figure 1. Determine the terminal velocity of the block if the 0.1 mm gap between the block and the surface contains

Explain unit of capacity, Unit of Capacity: The unit of capacity of a c...

Unit of Capacity: The unit of capacity of a capacitor is known as farad (f). It is given by a relation. q = cv.

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