EASY
12th Odisha Board
IMPORTANT
Earn 100

Distinguish between drift current and diffusion current in a semiconductor device.

Important Questions on Solids

EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 19 - Solids>MODEL QUESTIONS>Q 30
In a full-wave junction rectifier, the forward resistance is equal to load resistance. What is its maximum rectification efficiency?
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 19 - Solids>MODEL QUESTIONS>Q 31
Draw a p-n junction with reverse bias.
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 19 - Solids>MODEL QUESTIONS>Q 32
Draw the energy band diagram of a p-type semiconductor.
MEDIUM
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 19 - Solids>MODEL QUESTIONS>Q 33
Draw a labelled diagram of full wave rectifier using p-n junction diodes.
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 19 - Solids>MODEL QUESTIONS>Q 1

A doped semiconductor has  impurity levels 0.01 eV above the valence band. Is it an n-type semiconductor or p-type?

EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 19 - Solids>MODEL QUESTIONS>Q 1
A doped semiconductor has impurity levels 0.01 eV above the valence band. Find maximum wavelength of light which can create a hole in the valence band. 
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 19 - Solids>MODEL QUESTIONS>Q 2
Calculate the number of states per gram mole of sodium in a 2S band.
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 19 - Solids>MODEL QUESTIONS>Q 2
Calculate the number of states per gram mole of sodium in a 3S band.