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MCQs

Total Questions : 80 | Page 1 of 8 pages
Question 1. Voltage follower is also known as ___________
  1.    Unity gain amplifier
  2.    Differential amplifier
  3.    Comparator
  4.    None of the mentioned
 Discuss Question
Answer: Option A. -> Unity gain amplifier
Answer: (a).Unity gain amplifier
Question 2. Amplification of low level signal can be done using___________
  1.    Electrometer amplifier
  2.    Difference amplifier
  3.    Inverting amplifier
  4.    Non inverting amplifier
 Discuss Question
Answer: Option A. -> Electrometer amplifier
Answer: (a).Electrometer amplifier
Question 3. Phase difference between two voltages at frequencies above 10Hz can be measured using _________
  1.    CRO
  2.    Voltmeter
  3.    X-Y plotter
  4.    Multi meter
 Discuss Question
Answer: Option A. -> CRO
Answer: (a).CRO
Question 4. For an ideal op-amp, zero input results in zero output.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 5. Which configuration of op-amp is used for filter circuit?
  1.    Differential
  2.    Non-inverting
  3.    Inverting
  4.    None of the mentioned
 Discuss Question
Answer: Option C. -> Inverting
Answer: (c).Inverting
Question 6. Which of the following represents the correct relationship between frequency and angular frequency?
  1.    ω=2πf
  2.    ω=πf
  3.    f=2πω
  4.    f=πω
 Discuss Question
Answer: Option A. -> ω=2πf
Answer: (a).ω=2πf
Question 7. Which of the following device can be used for measurement of frequency?
  1.    Voltmeter
  2.    Ammeter
  3.    Stroboscope
  4.    None of the mentioned
 Discuss Question
Answer: Option C. -> Stroboscope
Answer: (c).Stroboscope
Question 8. What will be the frequency of a system in which 35 events occur in 7 seconds?
  1.    7Hz
  2.    35Hz
  3.    5Hz
  4.    10Hz
 Discuss Question
Answer: Option C. -> 5Hz
Answer: (c).5Hz
Question 9. All waves in electromagnetic spectrum has the same speed in vacuum.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 10. Which of the following frequency range represents an audible frequency range of humans?
  1.    Below 20Hz
  2.    Between 20Hz and 20 KHz
  3.    Above 20 KHz
  4.    All of the mentioned
 Discuss Question
Answer: Option B. -> Between 20Hz and 20 KHz
Answer: (b).Between 20Hz and 20 KHz

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