Photoconductive Devices Flashcards
1
Q
What happens to the conductivity of photoconductive material when light shines on it?
A
it increases
2
Q
What is the photoconductive effect?
A
The increased conductivity of an illuminated semiconductor junction.
3
Q
What does the photoconductive effect in crystalline solids produce a noticeable change in?
A
the resistance of the solid
4
Q
What is the description of an optoisolator?
A
An LED and a photosensitive device
5
Q
What happens to the conductivity of a photosensitive semiconductor junction when it is illuminated?
A
The junction resistance decreases.
6
Q
What is the description of an optocoupler?
A
An LED and a photosensitive device.
