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Electronics and Communication Engineering - Analog Electronics

Exercise : Analog Electronics - Section 9
6.
Tuned amplifiers are used at radio frequencies.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
The knee voltages in silicon and germanium diodes respectively are
0.3 V and 0.7 V
0.7 V and 0.3 V
0.7 V each
0.3 V each
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
In calculating input impedance, the load impedance is considered to be connected at the output.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
In a transistor βdc is likely to vary between 100 and 400. The proper value of βdc to be used to located Q point is
100
400
250
200
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
Which of the following noise becomes of great importance at high frequencies?
Shot noise
Agitation noise
Flicker noise
Transit time noise
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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