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MCQs

Total Questions : 146 | Page 15 of 15 pages
Question 141. Spot is displayed only when _______
  1.    frequencies are different
  2.    frequencies are zero
  3.    frequencies are same
  4.    voltage is high
 Discuss Question
Answer: Option C. -> frequencies are same
Answer: (c).frequencies are same
Question 142. Amplifier is multiple stage in a CRO.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 143. Phase inverter is used in an amplifier in the CRO because ___________
  1.    phase inversion is needed
  2.    no phase inversion is needed
  3.    it is needed to operate a push pull
  4.    it provides voltage stability
 Discuss Question
Answer: Option C. -> it is needed to operate a push pull
Answer: (c).it is needed to operate a push pull
Question 144. Why is a delay line used in a CRO?
  1.    to boost the signal
  2.    to distort the signal
  3.    to provide signal delay
  4.    for stability
 Discuss Question
Answer: Option C. -> to provide signal delay
Answer: (c).to provide signal delay
Question 145. Input stage in the amplifier consists of ___________
  1.    oscillator
  2.    attenuator
  3.    rectifier
  4.    op amp
 Discuss Question
Answer: Option B. -> attenuator
Answer: (b).attenuator
Question 146. BJT is used in the amplifier stage.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True

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