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MCQs

Total Questions : 124 | Page 7 of 13 pages
Question 61. Using mechanical chopper we cannot achieve high chopping rates due to their
  1.    Input impedance
  2.    Output impedance
  3.    Response time
  4.    Inertia
 Discuss Question
Answer: Option D. -> Inertia
Question 62. An ammeter has a resistance of G ohms and range of I amperes. The value of resistance required in parallel to convert it into an ammeter of range nI is ___________.
  1.    nG
  2.    (n-1)G
  3.    G/(n-1)
  4.    G/n
 Discuss Question
Answer: Option C. -> G/(n-1)
Question 63. A voltmeter has a resistance of G ohms and range V volts. The value of resistance required in series to convert it into voltmeter of range nV is ___________.
  1.    nG
  2.    G/n
  3.    G/(n-1)
  4.    (n-1)G
 Discuss Question
Answer: Option D. -> (n-1)G
Question 64. _____________ is also known as halftone storage or mersh storage.
  1.    Variable persistence storage
  2.    Bistable storage
  3.    Flat storage
  4.    CRT
 Discuss Question
Answer: Option A. -> Variable persistence storage
Question 65. The sensitivity of a multimeter is given in ___________.
  1.    O
  2.    Amperes
  3.    kΩ/V
  4.    none of the above
 Discuss Question
Answer: Option C. -> kΩ/V
Question 66. An electrometer amplifier has high input impedance of
  1.    10¹⁰Ω
  2.    10¹²Ω
  3.    10²⁰Ω
  4.    10¹⁴Ω
 Discuss Question
Answer: Option D. -> 10¹⁴Ω
Question 67. Venturi is associated with
  1.    Venous blood pressure
  2.    Digital plethysmography
  3.    Dialysate flow in artificial kidney
  4.    Blood flow in heart lung machine
 Discuss Question
Answer: Option D. -> Blood flow in heart lung machine
Question 68. The decibel is a measure of
  1.    Current
  2.    Voltage
  3.    Power
  4.    Power level
 Discuss Question
Answer: Option D. -> Power level
Question 69. When the input of differential amplifier V1 = 0, then the differential amplifier is said to be operated in
  1.    Common mode
  2.    Differential mode
  3.    Non inverting mode
  4.    Inverting mode
 Discuss Question
Answer: Option C. -> Non inverting mode
Question 70. When either one of the inputs to the differential amplifier is equal to zero then it is said to be operated in
  1.    Single ended mode
  2.    Differential mode
  3.    Non inverting mode
  4.    Inverting mode
 Discuss Question
Answer: Option A. -> Single ended mode

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