Photodiode
Trending Questions
Q. A p-n photodiode is fabricated with a semiconductor having band gap of 3 ev, then
- It can detect λ=500 nm
- It cannot detect λ=300 nm
- It can detect λ=240 nm
- It cannot detect λ=400 nm
Q. In a PN junction photo cell, the value of photo-electromotive force produced by monochromatic light is proportional to
- The voltage applied at the PN junction
- The barrier voltage at the PN junction
- The intensity of the light falling on the cell
- The frequency of the light falling on the cell
Q. A p-n photodiode is fabricated with a semiconductor having band gap of 3 ev, then
- It can detect λ=500 nm
- It cannot detect λ=300 nm
- It can detect λ=240 nm
- It cannot detect λ=400 nm
