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MCQs

Total Questions : 80 | Page 6 of 8 pages
Question 51. Who invented the Wheatstone bridge?
  1.    Samuel Hunter Christie
  2.    Sir Charles Wheatstone
  3.    Joseph henry
  4.    Andrew Kay
 Discuss Question
Answer: Option A. -> Samuel Hunter Christie
Answer: (a).Samuel Hunter Christie
Question 52. Which of the following can be measured using a Wheatstone bridge?
  1.    Resistance only
  2.    Capacitance only
  3.    Inductance only
  4.    Resistance, capacitance, inductance, impedance
 Discuss Question
Answer: Option D. -> Resistance, capacitance, inductance, impedance
Answer: (d).Resistance, capacitance, inductance, impedance
Question 53. In a Wheatstone bridge, which of the following is used as a null detector?
  1.    Ammeter
  2.    Galvanometer
  3.    Voltmeter
  4.    Wattmeter
 Discuss Question
Answer: Option B. -> Galvanometer
Answer: (b).Galvanometer
Question 54. Which of the following device is used for measuring low resistance value?
  1.    Wheatstone bridge
  2.    Hay bridge
  3.    Kelvin bridge
  4.    Owens bridge
 Discuss Question
Answer: Option C. -> Kelvin bridge
Answer: (c).Kelvin bridge
Question 55. A null type instrument with DC excitation is _________________
  1.    Wheatstone bridge
  2.    Hay bridge
  3.    Anderson bridge
  4.    Wien bridge
 Discuss Question
Answer: Option A. -> Wheatstone bridge
Answer: (a).Wheatstone bridge
Question 56. Which of the following device is used with 4 terminal resistors?
  1.    Wheatstone bridge
  2.    Hay bridge
  3.    Wien bridge
  4.    Kelvin bridge
 Discuss Question
Answer: Option D. -> Kelvin bridge
Answer: (d).Kelvin bridge
Question 57. Accuracy in a bridge measurement depends on_____________
  1.    Sensitivity of detector
  2.    Applied voltage
  3.    Both Sensitivity and applied voltage
  4.    Accuracy of indicator
 Discuss Question
Answer: Option C. -> Both Sensitivity and applied voltage
Answer: (c).Both Sensitivity and applied voltage
Question 58. What are the four terminals in four terminal resistance?
  1.    3 current terminals and one voltage terminal
  2.    Two potential terminals and two current terminals
  3.    Four voltage terminals
  4.    Four current terminals
 Discuss Question
Answer: Option B. -> Two potential terminals and two current terminals
Answer: (b).Two potential terminals and two current terminals
Question 59. Measurement of impedance involves calculating ______________
  1.    Resistive component of impedance
  2.    Reactive component of impedance
  3.    Both resistive and reactive component of impedance
  4.    None of the mentioned
 Discuss Question
Answer: Option C. -> Both resistive and reactive component of impedance
Answer: (c).Both resistive and reactive component of impedance
Question 60. Why 4 terminal resistors are used?
  1.    For protection
  2.    To overcome parasitic resistances
  3.    To increase current flow
  4.    None of the mentioned
 Discuss Question
Answer: Option B. -> To overcome parasitic resistances
Answer: (b).To overcome parasitic resistances

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