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Electronics and Communication Engineering - Analog Electronics

Exercise : Analog Electronics - Section 7
1.
It is desired to reduce distortion in a CE amplifier circuit. We should
reduce emitter current
reduce collector current
reduce ac base voltage
reduce base emitter voltage
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.
In the circuit of figure β = 50 and VBE = 0.5 V. The quiescent value of base current IB is
about 28 μA
about 28 mA
about 0.28 μA
about 2.8 A
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.
For a push pull circuit the most favoured biasing method is
self bias
emitter bias
diode bias
collector bias
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.
In feedback amplifier the closed loop gain is nearly independent of open loop gain and depends only on the feedback factor.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.
In a N-P-N transistor, when emitter junction is forward biased and collector junction is reverse biased, the transistor will operate in
active region
saturation region
cut of region
inverted region
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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