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MCQs

Total Questions : 109 | Page 7 of 11 pages
Question 61. Anderson’s bridge is used for the measurement of ________
  1.    capacitance
  2.    resistance
  3.    inductance
  4.    impedance
 Discuss Question
Answer: Option A. -> capacitance
Answer: (a).capacitance
Question 62. Anderson’s bridge is used for the measurement of capacitance.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 63. When the capacitor used is imperfect, the inductance value changes.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 64. Which of the following is a balance equation for computing the resistance?
  1.    R₁ = R₂ R₃⁄R₄
  2.    R₁ = R₂ ⁄ R₄
  3.    R₁ = R₃ ⁄ R₄
  4.    R₁ = R₂ R₃
 Discuss Question
Answer: Option A. -> R₁ = R₂ R₃⁄R₄
Answer: (a).R₁ = R₂ R₃⁄R₄
Question 65. For phase angles close to 90°, the power factor of the bridge is _________
  1.    p.f. = ωRₓ
  2.    p.f. = ωCₓ
  3.    p.f. = Rₓ Cₓ
  4.    p.f. = ωRₓ Cₓ
 Discuss Question
Answer: Option D. -> p.f. = ωRₓ Cₓ
Answer: (d).p.f. = ωRₓ Cₓ
Question 66. For a series RC circuit, what is δ?
  1.    voltage between series RC combination and C
  2.    voltage between series RC combination
  3.    voltage across C
  4.    voltage across R
 Discuss Question
Answer: Option A. -> voltage between series RC combination and C
Answer: (a).voltage between series RC combination and C
Question 67. What is the expression for the loss angle?
  1.    tan⁡ δ = ωR₄
  2.    tan⁡ δ = ωR₄ C₄
  3.    tan⁡ δ = ωC₄
  4.    tan⁡ δ = R₄ C₄
 Discuss Question
Answer: Option B. -> tan⁡ δ = ωR₄ C₄
Answer: (b).tan⁡ δ = ωR₄ C₄
Question 68. Quality factor is given by which of the following expression?
  1.    Q = 1⁄R
  2.    Q = R
  3.    Q = X⁄R
  4.    Q = XR
 Discuss Question
Answer: Option C. -> Q = X⁄R
Answer: (c).Q = X⁄R
Question 69. Dissipation factor is the reciprocal of quality factor.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 70. Detector is very sensitive in a high voltage Schering bridge.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True

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