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MCQs

Total Questions : 124 | Page 5 of 13 pages
Question 41. A voltmeter is connected in a ___________ with the circuit component across which potential difference is to be measured.
  1.    Parallel
  2.    Series
  3.    Series or parallel
  4.    None of the above
 Discuss Question
Answer: Option A. -> Parallel
Question 42. The slewing speed of X-Y recorder is
  1.    1.6 m/s
  2.    1.3 m/s
  3.    1.4 m/s
  4.    1.5 m/s
 Discuss Question
Answer: Option D. -> 1.5 m/s
Question 43. The resistance of LDR ____________ when exposed to radiant energy.
  1.    Remains unaltered
  2.    Increases
  3.    Reaches maximum
  4.    Decreases
 Discuss Question
Answer: Option D. -> Decreases
Question 44. Fiber optic sensor can be used to sense ____________.
  1.    Displacement
  2.    Power
  3.    Current
  4.    Resistance
 Discuss Question
Answer: Option A. -> Displacement
Question 45. Most commonly used indicator electrode is
  1.    Calomel electrode
  2.    Silver electrode
  3.    Silver – Silver chloride electrode
  4.    Glass electrode
 Discuss Question
Answer: Option D. -> Glass electrode
Question 46. To reduce common mode interference during recording of bio signals one can use __________.
  1.    Buffer amplifier
  2.    Differential amplifier
  3.    Single ended amplifier
  4.    Chopper amplifier
 Discuss Question
Answer: Option B. -> Differential amplifier
Question 47. A series ohmmeter circuit uses a 3 V battery and a 1 mA meter movement. What is the half-scale resistance for this movement?
  1.    3 kΩ
  2.    kΩ
  3.    kΩ
  4.    6 kΩ
 Discuss Question
Answer: Option A. -> 3 kΩ
Question 48. The size of air cored transducers in comparison to the iron core parts is
  1.    Smaller
  2.    Larger
  3.    Same
  4.    Unpredictable
 Discuss Question
Answer: Option B. -> Larger
Question 49. The resolution limit of electron microscope is
  1.    2 V
  2.    1 A.V
  3.    1.5 A.V
  4.    1.2 A.V
 Discuss Question
Answer: Option B. -> 1 A.V
Question 50. PH value of venous blood is
  1.    7.30
  2.    7.40
  3.    7.35
  4.    7.45
 Discuss Question
Answer: Option C. -> 7.35

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