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Electronics and Communication Engineering - Analog Electronics

Exercise : Analog Electronics - Section 13
26.
The oscillator shown in figure is a
Clapp oscillator
R-C Phase shift oscillator
Hartley oscillator
Colpitt's oscillator
Answer: Option
Explanation:
No answer description is available. Let's discuss.
27.
In a combination limiter with sinusoidal input voltage the output wave can be nearly square.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
28.

Assertion (A): A Darlington amplifier has very low output impedance

Reason (R): The circuit has a low resistance RE between emitter and ground

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.
29.
A Hartley oscillator uses
a tapped inductor
a tapped capacitor
both (a) and (b)
neither (a) nor (b)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
30.
A silicon PN junction diode under reverse bias has depletion region of width 10 μm. The relative permittivity of silicon, εr = 11.7 and the permittivity of free space ε0 = 8.85 x 10-12 F/m. The depletion capacitance of the diode per square meter is
100 μF
10 μF
1 μF
20 μF
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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