Q. A photo detector has a p? junction that converts light _ into current.

A
Electrons
B
Photons
C
Solar
D
None of these
Solution:

A photo detector has a p? junction that converts light photons into current. The absorbed photons make electron?ole pairs in the depletion region. Photodiodes and photo transistors are a few examples of photo detectors. Solar cells convert some of the light energy absorbed into electrical energy.

Entri Contact Image

Get Expert Advice for Free: Register for Your Free Consultation Now!