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MCQs

Total Questions : 152 | Page 5 of 16 pages
Question 41. What is the initial setting made in a multimeter before it is used for measuring resistance?
  1.    fine adjustment
  2.    instrument is open circuited
  3.    voltage is applied
  4.    zero adjustment
 Discuss Question
Answer: Option D. -> zero adjustment
Answer: (d).zero adjustment
Question 42. Digital voltmeters converts ________
  1.    analog to digital signal
  2.    digital to analog signal
  3.    current to voltage
  4.    resistance to voltage
 Discuss Question
Answer: Option A. -> analog to digital signal
Answer: (a).analog to digital signal
Question 43. Digital voltmeters can be used to measure ________
  1.    voltage only
  2.    voltage, temperature, pressure, etc
  3.    voltage and current
  4.    voltage and resistance
 Discuss Question
Answer: Option B. -> voltage, temperature, pressure, etc
Answer: (b).voltage, temperature, pressure, etc
Question 44. In a DVM, a transducer converts ________
  1.    input to a proportional current
  2.    input to a proportional power
  3.    input to a proportional voltage
  4.    input to a proportional resistance
 Discuss Question
Answer: Option C. -> input to a proportional voltage
Answer: (c).input to a proportional voltage
Question 45. A digital voltmeter reduces parallax error.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 46. In a DVM, a signal conditioning circuit is used ________
  1.    to bring current to a suitable limit
  2.    to bring resistance to a suitable limit
  3.    to bring resistance to s suitable limit
  4.    to bring voltage to a suitable limit
 Discuss Question
Answer: Option D. -> to bring voltage to a suitable limit
Answer: (d).to bring voltage to a suitable limit
Question 47. Input range of DVM is _________
  1.    1 V to 1000 V
  2.    0.1 V to 10 V
  3.    0.01 V to 1 V
  4.    0.001 V to 0.1 V
 Discuss Question
Answer: Option A. -> 1 V to 1000 V
Answer: (a).1 V to 1000 V
Question 48. Basic range of DVM is _________
  1.    1 or 10 V
  2.    0.1 or 1 V
  3.    10 or 100 V
  4.    100 or 1000 V
 Discuss Question
Answer: Option A. -> 1 or 10 V
Answer: (a).1 or 10 V
Question 49. What is the effect of IC chips on DVM?
  1.    increase in cost
  2.    increase in power
  3.    reduction in cost
  4.    increase in size
 Discuss Question
Answer: Option C. -> reduction in cost
Answer: (c).reduction in cost
Question 50. Output in digital form can’t be used directly.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False

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