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Electronics and Communication Engineering - Analog Electronics

Exercise : Analog Electronics - Section 17
31.
In the case of the circuit shown in the figure, the collector current IC will be, if β = 100, VBE = 0.7 V, ICO = 0.1 βA at 20°C
2.26 mA
1.85 mA
0.357 mA
0.185 mA
Answer: Option
Explanation:
No answer description is available. Let's discuss.
32.
A three-section RC phase shift oscillator has R = 10K ohms and C = 0.001 μF. The frequency of oscillations is
1.1 kHz
2.5 kHz
3.3 kHz
6.5 kHz
Answer: Option
Explanation:
No answer description is available. Let's discuss.
33.
The circuit of figure is
positive clipper
negative clipper
combination clipper
either (a) or (b)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
34.

Assertion (A): Electric coupling, magnetic coupling and ground loop can cause unwanted high frequency oscillations.

Reason (R): Hartley oscillator uses a tapped inductor

Both A and R are correct and R is correct explanation for A
Both A and R are correct but R is not correct explanation for A
A is correct R is wrong
A is wrong R is correct
Answer: Option
Explanation:
No answer description is available. Let's discuss.
35.
In figure VCE (sat) = 0.1 V. Then IC (sat) =
10 mA
20 mA
30 mA
40 mA
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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