Chapter 18 Flashcards
1
Q
Which materials are used for forming LED?
A
Gallium Arsenide and Gallium Arsenide phosphide
2
Q
Response time of a photo diode is?
A
250 ns
3
Q
The thickness of the base in a transistor is of the order?
A
10 ^ -6 meter
4
Q
The value of current gain of a transistor ranges from?
A
30 to 500