Electronic Devices - Bipolar Junction Transistors

Exercise : Bipolar Junction Transistors - General Questions
21.
Which of the following is true for an npn or pnp transistor?
IE = IB + IC
IB = IC+ IE
IC = IB + IE
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.

22.
What is the order of doping, from heavily to lightly doped, for each region?
base, collector, emitter
emitter, collector, base
emitter, base, collector
collector, emitter, base
Answer: Option
Explanation:
No answer description is available. Let's discuss.

23.
In what range of voltages is the transistor in the linear region of its operation?
0 < VCE
0.7 < VCE < VCE(max)
VCE(max) > VCE
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.

24.
The magnitude of dark current in a phototransistor usually falls in what range?
mA
μA
nA
pA
Answer: Option
Explanation:
No answer description is available. Let's discuss.

25.
A 35 mV signal is applied to the base of a properly biased transistor with an r'e = 8 and RC = 1 k. The output signal voltage at the collector is:
3.5 V
28.57 V
4.375 mV
4.375 V
Answer: Option
Explanation:
No answer description is available. Let's discuss.