EASY
12th Odisha Board
IMPORTANT
Earn 100

State two principal electrodes that are present in every vacuum tube.

Important Questions on Electron Emission

MEDIUM
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 18 - Electron Emission>MODEL QUESTIONS>Q 11
Specify the most common use of a diode valve?
HARD
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 18 - Electron Emission>MODEL QUESTIONS>Q 12
What is the maximum efficiency of an (i) half-wave rectifier and (ii) full-wave rectifier?
HARD
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 18 - Electron Emission>MODEL QUESTIONS>Q 13
In a diode, plate is at -10 Volt and cathode is at -180 Volt. Will it will conduct? Explain.
HARD
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 18 - Electron Emission>MODEL QUESTIONS>Q 14
Name different electrodes in a triode.
HARD
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 18 - Electron Emission>MODEL QUESTIONS>Q 15
What is the function of grid in a triode?
HARD
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 18 - Electron Emission>MODEL QUESTIONS>Q 16
Why is the grid of triode valve perforated?
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 18 - Electron Emission>MODEL QUESTIONS>Q 17
State two uses of a vacuum triode.
MEDIUM
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 18 - Electron Emission>MODEL QUESTIONS>Q 18
Draw a graph showing mutual characteristics of a triode.