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MCQs

Total Questions : 109 | Page 9 of 11 pages
Question 81. Stray capacitance effects can be minimized by __________
  1.    making use of an inductance
  2.    connecting a resistance in series
  3.    shielding and grounding
  4.    using a galvanometer
 Discuss Question
Answer: Option C. -> shielding and grounding
Answer: (c).shielding and grounding
Question 82. In general bridges consist of __________
  1.    lumped inductances
  2.    lumped resistances
  3.    distributed capacitance
  4.    distributed impedance
 Discuss Question
Answer: Option A. -> lumped inductances
Answer: (a).lumped inductances
Question 83. Stray capacitance exists between the components.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 84. The magnitude of stray capacitances is fixed.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 85. For single frequency value, the most sensitive detector is ________
  1.    tuned detector
  2.    vibration galvanometer
  3.    headphone
  4.    oscillator
 Discuss Question
Answer: Option A. -> tuned detector
Answer: (a).tuned detector
Question 86. Vibration galvanometers are used for ________
  1.    very high frequency
  2.    very low frequency
  3.    low audio frequency
  4.    high audio frequency
 Discuss Question
Answer: Option C. -> low audio frequency
Answer: (c).low audio frequency
Question 87. Tuned detectors are used in the frequency range of ________
  1.    1 Hz to 100 Hz
  2.    10 Hz to 100 Hz
  3.    1 kHz to 100 kHz
  4.    1 MHz to 100 MHz
 Discuss Question
Answer: Option B. -> 10 Hz to 100 Hz
Answer: (b).10 Hz to 100 Hz
Question 88. At very low frequencies in a AC bridge, the source is _________
  1.    power line
  2.    e.m.f
  3.    galvanometer
  4.    tuned circuit
 Discuss Question
Answer: Option A. -> power line
Answer: (a).power line
Question 89. AC bridge is an outcome of ________
  1.    Kelvin bridge
  2.    Megger
  3.    De Sauty bridge
  4.    Wheatstone bridge
 Discuss Question
Answer: Option D. -> Wheatstone bridge
Answer: (d).Wheatstone bridge
Question 90. Most popular method of avoiding the stray capacitance effects is __________
  1.    by grounding
  2.    by using guard rings
  3.    by using galvanometer
  4.    by using Wagner device
 Discuss Question
Answer: Option D. -> by using Wagner device
Answer: (d).by using Wagner device

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