Electronic Devices - PNPN

Exercise : PNPN - General Questions
6.
How many terminals does a programmable unijunction transistor (PUT) have?
4
3
2
1
Answer: Option
Explanation:
No answer description is available. Let's discuss.

7.
What is the typical value of the reverse resistance of SCRs?
1 to 10
100 to 1 k
1 k to 50 k
100 k or more
Answer: Option
Explanation:
No answer description is available. Let's discuss.

8.
The ISO-LIT Q1 16-pin Litronix opto-isolator DIP contains ________ opto-isolators.
4
8
12
6
Answer: Option
Explanation:
No answer description is available. Let's discuss.

9.
How many terminals does a Shockley diode have?
5
4
3
2
Answer: Option
Explanation:
No answer description is available. Let's discuss.

10.
What is the range of the variable resistor in the equivalent circuit of a unijunction transistor?
50 to 5 k
6 k to 10 k
5 to 50
1 to 5
Answer: Option
Explanation:
No answer description is available. Let's discuss.