Exercise: Analog Electronics

Questions for: Analog Electronics

The disadvantage of transformer coupling in amplifier is
A:
cost of transformer at audio frequencies
B:
size of transformer at audio frequencies
C:
size of transformer at radio frequencies
D:
cost and size of transformer at audio frequencies
Answer: D
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Which one of the following devices is not used as the controller in a stabilizer?
A:
DIAC
B:
TRIAC
C:
SCR
D:
Power transistor
Answer: A
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A cascade amplifier stage is equivalent to
A:
common emitter stage followed by a common base stage
B:
common base stage followed by an emitter follower
C:
an emitter follower stage followed by a common base stage
D:
a common base stage followed by a common emitter stage
Answer: A
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A delay equalizer is a
A:
low pass filter
B:
band pass filter
C:
all pass filter
D:
high pass filter
Answer: B
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In a single stage differential amplifier, the output offset voltage is mainly dependent on the mismatch of
A:
VBE, IB and β
B:
VBE and IB
C:
IB and β
D:
VBE and β
Answer: B
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