Electronics and Communication Engineering - Electronic Devices and Circuits

31.
Typical value of reverse current in a semiconductor diode is
1 A
0.1 A
1 μA
0.1 μA
Answer: Option
Explanation:
No answer description is available. Let's discuss.

32.
Which of the following element has four valence electrons?
Silicon
Germanium
Both (a) and (b) above
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.

33.
In a transistor operating in forward active mode
depletion layer between emitter and base is thin and that between base and collector is also thin
both depletion regions are thick
depletion layer between emitter and base is thin and that between base and collector is thick
depletion layer between emitter and base is thick and that between base and collector is thin
Answer: Option
Explanation:
No answer description is available. Let's discuss.

34.
In standard TTL, the 'totem pole' stage refers to
the multi-emitter I/P stage
phase splitter
the O/P buffer
open collector O/P stage
Answer: Option
Explanation:
No answer description is available. Let's discuss.

35.
In p type semiconductor, the hole concentration
is nearly equal to density of acceptor atoms
is much greater than density of acceptor atoms
is much less than density of acceptor atoms
may be equal to or more or less than density of acceptor atoms
Answer: Option
Explanation:
No answer description is available. Let's discuss.