MEDIUM
12th Odisha Board
IMPORTANT
Earn 100

Draw the circuit diagram for the use of a triode as an amplifier.

Important Questions on Electron Emission

HARD
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 18 - Electron Emission>MODEL QUESTIONS>Q 9
Draw VI characteristics of a vacuum diode and explain the reasons for the difference in its nature in different regions.
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 18 - Electron Emission>MODEL QUESTIONS>Q 10
Explain the formation of space charge. What is the effect of electrode temperature on the space charge. 
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 18 - Electron Emission>MODEL QUESTIONS>Q 11
Does vacuum diode obey ohm's law? Which law is applicable under space charge limited condition.
MEDIUM
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 18 - Electron Emission>MODEL QUESTIONS>Q 12
Give the Child's law for plate current in a triode.
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 18 - Electron Emission>MODEL QUESTIONS>Q 13
Why cathode is heated in vacuum.
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 18 - Electron Emission>MODEL QUESTIONS>Q 14
What do you mean by amplification and faithful amplification ?
MEDIUM
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 18 - Electron Emission>MODEL QUESTIONS>Q 15
The actual gain of a triode is less than the amplification factor. why?
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 18 - Electron Emission>MODEL QUESTIONS>Q 16
Why is control grid of a triode always held at negative potential w.r.t. cathode.