Exercise: Analog Electronics

Questions for: Analog Electronics

Logarithmic amplifiers are used in
A:
adders
B:
dividers
C:
multipliers
D:
all of the above
Answer: B
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Which circuit is called emitter follower?
A:
CC
B:
CE
C:
CB
D:
Both (a) and (b)
Answer: A
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In graphical analysis of BJT amplifier the slope of ac line is more than that of dc load line.
A:
True
B:
False
C:
D:
Answer: A
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A rectifier circuit has load resistance R. It uses a capacitance filter having capacitance C. For low ripple in the output
A:
RC should be 1
B:
RC should be low
C:
RC should be high
D:
RC should be neither low nor high
Answer: C
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A BJT amplifier has a power gain of 0.5 from source to base. The power gain in dB is
A:
-0.3 dB
B:
-3 dB
C:
-6 dB
D:
-10 dB
Answer: B
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