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Electronics and Communication Engineering - Analog Electronics

Exercise : Analog Electronics - Section 9
16.
The ac collector current is nearly equal to
ac base current
ac signal current
ac supply current
ac emitter current
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.
From a measurement of the rise time of the output pulse of an amplifier whose input is a small amplitude square wave, one can estimate the following parameter of the amplifier
gain bandwidth product
slew rate
upper 3 dB frequency
lower 3 dB frequency
Answer: Option
Explanation:
No answer description is available. Let's discuss.
18.
In an amplifier, if the output current flows for 120° of the input cycle, the class of amplifier will be
A
B
C
AB
Answer: Option
Explanation:
No answer description is available. Let's discuss.
19.

Assertion (A): If we overdrive an amplifier the output signal may get clipped

Reason (R): To dissipate heat to atmosphere a heat sink is sometimes attached to the case of transistor

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.
20.
Which op-amp circuit uses a diode as one of the circuit components?
Integrating amplifier
Differentiating amplifier
Logarithmic amplifier
Summing amplifier
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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