HARD
12th Odisha Board
IMPORTANT
Earn 100

What is the maximum efficiency of an (i) half-wave rectifier and (ii) full-wave rectifier?

Important Questions on Electron Emission

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.
MEDIUM
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 18 - Electron Emission>MODEL QUESTIONS>Q 19
Draw a graph showing plate characteristics of a triode.
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 18 - Electron Emission>MODEL QUESTIONS>Q 20
Define transconductance. State its units.