EASY
12th Odisha Board
IMPORTANT
Earn 100
Draw the energy band diagram of a p-type semiconductor.
Important Questions on Solids
MEDIUM
12th Odisha Board
IMPORTANT
EASY
12th Odisha Board
IMPORTANT
A doped semiconductor has impurity levels above the valence band. Is it an n-type semiconductor or p-type?
EASY
12th Odisha Board
IMPORTANT
EASY
12th Odisha Board
IMPORTANT
EASY
12th Odisha Board
IMPORTANT
MEDIUM
12th Odisha Board
IMPORTANT
The band gap between the valence and the conduction bands in Germanium is . If an electron in the conduction band combines with a hole in the valence band and the excess energy is released in the form of electromagnetic radiation. Find the maximum wavelength that can be emitted in the process.
EASY
12th Odisha Board
IMPORTANT
In a p-n junction, the depletion region is wide and an electric field of exists in it. Find the height of the potential barrier.
MEDIUM
12th Odisha Board
IMPORTANT
In a p-n junction, the depletion region is wide and an electric field of exists in it. What should be the minimum kinetic energy of a conduction electron which can diffuse from n-side to p-side ?