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Electronics and Communication Engineering - Analog Electronics

Exercise : Analog Electronics - Section 14
46.
If the thermal resistance of a transistor is lower it means
higher junction temperature
lower junction temperature
higher or lower junction temperature depending on circuit conditions
higher or lower junction temperature depending on transistor
Answer: Option
Explanation:
No answer description is available. Let's discuss.
47.
A Darlington pair has β = 300. If RE = 1 kΩ and RL = 100 Ω, the input impedance at the base is approximately
300 k ohm
3 k ohm
100 k ohm
30 k ohm
Answer: Option
Explanation:
No answer description is available. Let's discuss.
48.
Barkhausen criterion is 1 + Avβ = 0.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
49.
The voltage gain of which transistor configuration is less than unity?
CB
CE
CC
None
Answer: Option
Explanation:
No answer description is available. Let's discuss.
50.
Linear transistor circuits always operate in
saturation region
cut off region
active region
passive region
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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