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Electronics and Communication Engineering - Analog Electronics

Exercise : Analog Electronics - Section 19
11.
If three cascaded stages of amplifier have gains 10, 20 and 30 the overall voltage will be
30
60
600
6000
Answer: Option
Explanation:
No answer description is available. Let's discuss.
12.
A collector collects
electrons from the base in case of N-P-N transistor
electrons from the emitter in case P-N-P transistor
holes from the base in case of N-P-N transistor
holes from the base in case of P-N-P transistor
Answer: Option
Explanation:
No answer description is available. Let's discuss.
13.
In a resistance loaded, RC coupled amplifier the d.c. component is blocked by
Transistor
CC
RB
RC
Answer: Option
Explanation:
No answer description is available. Let's discuss.
14.
A logarithmic amplifier has diode in the feedback path.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
15.
The input resistance of FET in the low frequency small signal operation is
infinitely high
around 1 kΩ
around 50 Ω
very small
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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