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Electronics and Communication Engineering - Analog Electronics

Exercise : Analog Electronics - Section 17
26.
In CB amplifier the distortion of the input voltage waveform may occur due to
very low input resistance of an amplifier
very high input resistance of the amplifier
improper biasing
ripples in power supply
Answer: Option
Explanation:
No answer description is available. Let's discuss.
27.
As compared to full wave rectifier, a half wave rectifier
has higher ripple factor
has lower ripple factor
may have higher or lower ripple factor
has same ripple factor
Answer: Option
Explanation:
No answer description is available. Let's discuss.
28.

Assertion (A): A self bias circuit is the most commonly used bias circuit for bipolar junction transistors

Reason (R): A self bias circuit limits the increase in collector or emitter current due to change in junction temperature.

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.
In an amplifier if conductor during the cycle is from 0 to 90° and again from 180° to 270°, the amplifier will be termed as
class A
class B
class C
class AB
Answer: Option
Explanation:
No answer description is available. Let's discuss.
30.
A sine wave with slew rate distortion looks like
step wave
square wave
triangular wave
cosine wave
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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