(C)Element 3-27 Light Emitting Diodes Flashcards
1
Q
What type of bias is required for an LED to produce lumens?
A
forward bias
2
Q
What determines the color of an LED junction?
A
the materials used to construct device
3
Q
What is the approximate operating current of a light dimmind diode?
A
20ma
4
Q
what could be the maximum current to safely illuminate a LED
A
20mA
5
Q
An LED facing a photodiode in a light tight enclosure is commonly know as
A
optiosolator
6
Q
What circuit component must be connected in series to protect an LED?
A
a series capacitor
