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MCQs

Total Questions : 120 | Page 12 of 12 pages
Question 111. Standardization of potentiometer is used for ________________
  1.    Accuracy
  2.    Accuracy in measurement
  3.    Use of low voltage sources
  4.    None of the mentioned
 Discuss Question
Answer: Option C. -> Use of low voltage sources
Answer: (c).Use of low voltage sources
Question 112. Which of the following is not possible?
  1.    Constant current potentiometer
  2.    Constant resistance potentiometer
  3.    Thermocouple potentiometer
  4.    None of the mentioned
 Discuss Question
Answer: Option D. -> None of the mentioned
Answer: (d).None of the mentioned
Question 113. Galvanometer used should be calibrated first.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 114. Which of the following cannot be measured using potentiometer?
  1.    DC voltage
  2.    Temperature
  3.    Resistance
  4.    None of the mentioned
 Discuss Question
Answer: Option D. -> None of the mentioned
Answer: (d).None of the mentioned
Question 115. Which of the following device is used for calibration of a potentiometer?
  1.    Electrochemical cell
  2.    Galvanometer
  3.    Variable dc source
  4.    All of the mentioned
 Discuss Question
Answer: Option A. -> Electrochemical cell
Answer: (a).Electrochemical cell
Question 116. Galvanometer is used for _________________
  1.    Calibration of potentiometer
  2.    Indication of null position
  3.    Providing stability
  4.    All of the mentioned
 Discuss Question
Answer: Option B. -> Indication of null position
Answer: (b).Indication of null position
Question 117. Power consumption of unknown source connected will be _____________
  1.    Very high
  2.    Very low
  3.    Zero ideally
  4.    Always constant
 Discuss Question
Answer: Option C. -> Zero ideally
Answer: (c).Zero ideally
Question 118. At null position, galvanometer reading will be _______________
  1.    Maximum
  2.    Zero
  3.    Unchanged for further reading
  4.    None
 Discuss Question
Answer: Option B. -> Zero
Answer: (b).Zero
Question 119. A potentiometer cannot be used for calibration of ammeter.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 120. Which of the following devices cannot be used potentiometer as calibrating device?
  1.    Wattmeter
  2.    Energy meter
  3.    Voltmeter
  4.    Ammeter
 Discuss Question
Answer: Option B. -> Energy meter
Answer: (b).Energy meter

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