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Electronics and Communication Engineering - Analog Electronics

Exercise : Analog Electronics - Section 15
16.
The phase angle of lead circuit is
between 0 and -90°
between 0 and +90°
90°
more than 90°
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.
A generator with an internal resistance of 600 Ω drives an amplifier whose input resistance is 400 Ω. The generator's open circuit voltages is 1 mV; the amplifier develops 100mV across an 8kΩ load. The power gain is
125
250
1125
3125
Answer: Option
Explanation:
No answer description is available. Let's discuss.
18.
The circuit of figure is
clipper, sine wave clipped at - 2 V
clamper
clamper, sine wave clamped at zero V
clipper, sine wave clipped at + 2 V
Answer: Option
Explanation:
No answer description is available. Let's discuss.
19.
The upper end of the d.c. load line is called the __________ point and the lower end is the __________ point.
cut off, saturation
saturation, active
saturation, cut off
active saturation
Answer: Option
Explanation:
No answer description is available. Let's discuss.
20.
In figure output impedance of amplifier is
RE
re + RE
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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