LED Flashcards
0
Q
When does it light up
A
When electrical current passes through
1
Q
What does LED stand for
A
Light emitting Diobe
2
Q
What are the 2 sides of the led
A
A ~ athode
K~ cathode - negative
3
Q
Explain about the led being damaged by heat soldering
A
The risk is small
Unless you are slow
No special precautions
4
Q
What colours do LED come in
A
Red Orange Amber Yellow Green Blue White
5
Q
Which are more expensive
A
Blue white
6
Q
What’s changes the colour
A
Not packaging
It is the semiconductor
