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

Explain about the term electron microscope, Explain about the term electron...

Explain about the term electron microscope. Electron microscope: An electron microscope is a form of microscope which uses electrons to illuminate a specimen and make an enl

What is the circumference of the ball, Suppose a baseball rolls 3.2 m acros...

Suppose a baseball rolls 3.2 m across the floor. If the ball's angular displacement is 82 rad, what is the circumference of the ball?

9th, what is dynamics

what is dynamics

Malus law, state and explain malus law?

state and explain malus law?

Resonence, give example phenomena of resonance?

give example phenomena of resonance?

radioactive substance, A certain radioactive substance has a half-life of ...

A certain radioactive substance has a half-life of 40 minutes. How much of an original 100 grams substance will remain after 2 hours? solution) m= m0/2t/T m=100 gms.. t=2 hours

Michelson interferometer, Ask question 15. When the movable mirror of a Mic...

Ask question 15. When the movable mirror of a Michelson''s interferometer is moved through a distance of 0.03mm, 100 fringes are displaced, what is the wavelength and color of the

Explain the meaning of ram effect?, A ram-air intake is any intake design w...

A ram-air intake is any intake design which uses the dynamic air pressure produced by vehicle motion to increase the static air pressure inside of the intake manifold on an engine,

Types of modulus of elasticity, There are five types of modulus  of elastic...

There are five types of modulus  of elasticity (i) YOUNG'S MODULUS OF ELASTICITY (Y (ii) BULK MODULUS OF ELASTICITY (K) (iii) COMPRESSIBILITY (iv) MODULUS OF RIGIDITY

Kl, #quuiujiestion..

#quuiujiestion..

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