MCQ on Analog Electronics with Answers - 2
Multiple Choice Questions with Answers on Analog Electronics Circuits - 2
1. The input and output voltages of a CE amplifier
are
a) in phase
b) equal
c) 108o out of phase
d) always negative
Answer: c
2. A transistor is said to be in quiescent state
when
a) it is unbiased
b) no current is flowing in it
c) no signal is applied to it
d) emitter junction bias is equal to collector
junction bias
Answer: c
3. A CB amplifier is characterized by
a) low Ai, high Av
b) high Ai, low Av
c) low Ai, low Av
d) high Ai, high Av
Answer: a
4. One characteristic of emitter follower is
a) low current gain
b) low input resistance
c) high output resistance
d) low voltage gain
Answer: d
5. The CC amplifier is also called emitter follower
because
a) emitter current follows the collector current
b) emitter voltage follows the collector voltage
c) emitter current follows collector voltage
d) emitter voltage follows the base signal
voltage
Answer: d
6. Common collector CC amplifier has
a) high Ri, high Ro
b) high Ri, low Ro
c) low Ri, high Ro
d) low Ri, low Ro
Answer: b
7. in CC amplifier
a) voltage gain is relatively high
b) input and output signals are in phase
c) input resistance is low
d) output is taken from collector terminal
Answer: b
8. Compared to CB amplifier, the CE amplifier has
considerably
a) higher current gain
b) lower voltage gain
c) lower input resistance
d) lower current gain
Answer: a
9. Common Base CB amplifier has
a) high Ri, high Ro
b) high Ri, low Ro
c) low Ri, high Ro
d) low Ri, low Ro
Answer: c
10. A common base amplifier is so called because
a) base is p-type in npn transistor
b) base is n-type in pnp transistor
c) base region is located between emitter and
collector regions
d) base is common to input and output circuits
of the amplifier
Answer: d
Hope this post on "MCQ on Analog Electronics with Answers - 2" will help Electronics Engineering and Electrical Engineering students in preparation of technical interviews, GATE, IES etc.
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