Transistor Bias Circuits Questions and Answers

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Showing 10 of 20 questions
Q1
Clipping is the result of
  • A the input signal being too large.
  • B the transistor being driven into saturation.
  • C the transistor being driven into cutoff.
  • D all of the above
Answer: Option D
Q2
Which transistor bias circuit arrangement provides good stability using negative feedback from collector to base?
  • A base bias
  • B collector-feedback bias
  • C voltage-divider bias
  • D emitter bias
Answer: Option B
Q3
Which transistor bias circuit provides good Q-point stability with a single-polarity supply voltage?
  • A base bias
  • B collector-feedback bias
  • C voltage-divider bias
  • D emitter bias
Answer: Option C
Q4
Ideally, for linear operation, a transistor should be biased so that the Q-point is
  • A near saturation.
  • B near cutoff.
  • C where IC is maximum.
  • D halfway between cutoff and saturation.
Answer: Option D
Q5
The most stable biasing technique used is the
  • A voltage-divider bias.
  • B base bias.
  • C emitter bias.
  • D collector bias.
Answer: Option A
Q6
Emitter bias requires
  • A only a positive supply voltage.
  • B only a negative supply voltage.
  • C no supply voltage.
  • D both positive and negative supply voltages.
Answer: Option D
Q7
What is the most common bias circuit?
  • A base
  • B collector
  • C emitter
  • D voltage-divider
Answer: Option D
Q8
At saturation the value of VCE is nearly ________, and IC = ________.
  • A zero, zero
  • B VCC, IC(sat)
  • C zero, I(sat)
  • D VCC, zero
Answer: Option C
Q9
Voltage-divider bias has a relatively stable Q-point, as does
  • A base bias.
  • B collector-feedback bias.
  • C both of the above
  • D none of the above
Answer: Option B
Q10
The linear (active) operating region of a transistor lies along the load line below ________ and above ________.
  • A cutoff, saturation
  • B saturation, cutoff
Answer: Option B

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