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MCQs

Total Questions : 152 | Page 6 of 16 pages
Question 51. Which compares the output in a successive approximation type DVM?
  1.    op amp
  2.    diode
  3.    comparator
  4.    rectifier
 Discuss Question
Answer: Option C. -> comparator
Answer: (c).comparator
Question 52. What is the role of logic control and sequencer in a successive approximation type DVM?
  1.    generate analog voltage
  2.    generate power
  3.    generate current through resistance
  4.    generate sequence code
 Discuss Question
Answer: Option D. -> generate sequence code
Answer: (d).generate sequence code
Question 53. D/A converter generates the set pattern successively.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 54. Sensitivity of a successive approximation type DVM is given by which of the following relation?
  1.    S = fsₘᵢₙ
  2.    S = fsₘᵢₙ × R
  3.    S = R
  4.    S = fsₘᵢₙ ⁄ R
 Discuss Question
Answer: Option B. -> S = fsₘᵢₙ × R
Answer: (b).S = fsₘᵢₙ × R
Question 55. Resolution of a successive approximation type DVM is given by which of the following relation?
  1.    R = 1⁄10ⁿ
  2.    R = 1⁄10
  3.    R =10ⁿ
  4.    R = 10
 Discuss Question
Answer: Option A. -> R = 1⁄10ⁿ
Answer: (a).R = 1⁄10ⁿ
Question 56. Speed of a successive approximation type DVM can be improved by making use of ______
  1.    electrical switches
  2.    mechanical devices
  3.    solid state devices
  4.    transformers
 Discuss Question
Answer: Option C. -> solid state devices
Answer: (c).solid state devices
Question 57. Accuracy depends on external supply.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 58. Time is measured using __________
  1.    clock
  2.    logic gates
  3.    counter
  4.    flip-flops
 Discuss Question
Answer: Option C. -> counter
Answer: (c).counter
Question 59. Ramp type DVM uses ___________
  1.    a linear ramp technique
  2.    a non-linear ramp technique
  3.    an exponential ramp technique
  4.    an asymptotic ramp technique
 Discuss Question
Answer: Option A. -> a linear ramp technique
Answer: (a).a linear ramp technique
Question 60. Linear ramp technique is based on __________
  1.    voltage measurement
  2.    time measurement
  3.    current measurement
  4.    resistance measurement
 Discuss Question
Answer: Option B. -> time measurement
Answer: (b).time measurement

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