Home
Class 11
PHYSICS
Electron Holes pairs are generated in ph...

Electron Holes pairs are generated in photodiode

A

when light enters in its depletion region

B

when light enters in its junction

C

when photon energy hv greater than `E_g`.

D

(A)and (C)

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • SCALARS AND VECTORS

    TARGET PUBLICATION|Exercise Evaluation Test|19 Videos
  • Sound

    TARGET PUBLICATION|Exercise Exercise|248 Videos

Similar Questions

Explore conceptually related problems

the no. densities of electrons and holes in a pure germanium at room temperature are equal and its value is 2×10^(16) per m^3 . On doping with aluminium the hole density increases to 3.5×10^(22) per m^3 then the electron density in dppoed germanium is

Photodiode is always operated in

the density of an electron-hole pair in a pure germanium is 3 ×10^(16)m^(-3) at room temperature. On doping with aluminium , the hole density increses to 4.5×10^(22)m^(-3) .now the electron density (in m^(-3) )in doped germanium will be

Let us see whether the given atom has paired electron or unpaired electrons in the outermost orbit. We will follow three steps (1) Write electronic configuration (2) Draw valence orbital (3) Identify if unpaired electron exist Given : Chlorine Cl ( it has total 17 electrons )

Explain the principal of operation of a photodiode.

Explain the construction and working of photodiode

Usually Si is used in the designing of photodiodes because

Define Dark current and Dark resistance of photodiode?

State any two advantages and disadvantages of photodiode?

How many lone pair of electrons and bond pair of electrons present in SF_4