Explain parts of thermionic emitters, Physics

Assignment Help:

There are two parts of Thermionic emitters:-

A) Directly heated emitter

(i) Cathode is directly heated by passing current.

(ii) Thermionic current is less.

(iii) Energy consumption and life is short.

 

B) Indirectly heated emitter

(i) Cathode is indirectly heated.

(ii) Thermionic current is more.

(iii) Energy consumption and life is long.

 


Related Discussions:- Explain parts of thermionic emitters

Nucleus, Two stable isotopes of lithium and have respective abundances of 7...

Two stable isotopes of lithium and have respective abundances of 7.5% and 92.5%. These isotopes have masses 6.01512 u and 7.01600 u, respectively. Find the atomic mass of lithium.

Plasma, what is plasma and explan in simple word

what is plasma and explan in simple word

Calculate the final intensity, Randomly polarized light (such as sun light)...

Randomly polarized light (such as sun light) with intensity of I 0 passes through three polarizers (P 1 , P 2 , P 3 ) consecutively.  P 1 and P 3 are stationary, and their polar

Heat energy, how much water at 0degrees is needed to cool 0.5kg of water at...

how much water at 0degrees is needed to cool 0.5kg of water at 80degrees to 0degrees

How does the pressure exerted by a typical brick, A typical brick has dimen...

A typical brick has dimensions of  20.0 cm x 10.0 cm x 5.0 cm and weighs 20.0 N. How does the pressure exerted by a typical brick when it is resting on its smallest side compa

Executing simple harmonic motion, The total energy of a particle, executing...

The total energy of a particle, executing simple harmonic motion is Ans) In simple harmonic motion when  a particle is displaced to a position from its mean position, then its kin

Who are the best fiber optics manufacture, Who are the best fiber optics ma...

Who are the best fiber optics manufacture? To single out a company would be grossly unfair since in such business the players are, usually, respected industrial corporations wi

Chemical action in lead acid battery, Chemical action in lead acid battery:...

Chemical action in lead acid battery: When the lead acid battery is delivering current, the sulphuric acid breaks up into Hydrogen ions (H 2 ) carrying a positive charge and Su

Discuss the carnot cycle of operation, Discuss the Carnot cycle of operatio...

Discuss the Carnot cycle of operation and reduce the expression for efficiency. Carnot engine is works on the principle of Carnot cycle made up of four stages are represented as sh

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