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MCQs

Total Questions : 441 | Page 5 of 45 pages
Question 41. The units of capacitance are
  1.    volts/coulomb
  2.    coulombs/volt
  3.    ohms
  4.    henry/Wb
 Discuss Question
Answer: Option B. -> coulombs/volt
Question 42. This mention statement is associated with "The surface integral of the normal component of the electric displacement D over any closed surface equals the charge enclosed by the surface".
  1.    Gauss's law
  2.    Kirchhoff's law
  3.    Faraday's law
  4.    Lenz's law
 Discuss Question
Answer: Option A. -> Gauss's law
Question 43. Which of the following capacitors has relatively shorter shelf life ?
  1.    Mica capacitor
  2.    Electrolytic capacitor
  3.    Ceramic capacitor
  4.    Paper capacitor
 Discuss Question
Answer: Option B. -> Electrolytic capacitor
Question 44. Which of the following capacitor is preferred in case of single phase motor ?
  1.    Mica capacitor
  2.    Paper capacitor
  3.    Electrolytic capacitor
  4.    Ceramic capacitor
 Discuss Question
Answer: Option C. -> Electrolytic capacitor
Question 45. In the case of a lossy capacitor, its series equivalent resistance value will be
  1.    small
  2.    very small
  3.    large
  4.    zero
 Discuss Question
Answer: Option C. -> large
Question 46. The unit of dielectric strength is given by
  1.    V/m
  2.    V2/m
  3.    m/V
  4.    m/V2
 Discuss Question
Answer: Option A. -> V/m
Question 47. Dielectric constant for mica is nearly
  1.    200
  2.    100
  3.    3 to 8
  4.    1 to 2
 Discuss Question
Answer: Option C. -> 3 to 8
Question 48. "The total electric flux through any closed surface surrounding charges is equal to the amount oflcharge enclosed".The above statement is associated with
  1.    Coulomb’s square law
  2.    Gauss’s law
  3.    Maxwell’s first law
  4.    Maxwell’s second law
 Discuss Question
Answer: Option B. -> Gauss’s law
Question 49. Which is the most superior dielectric out of the following ?
  1.    Air
  2.    Glass
  3.    Bakelite
  4.    Paper
 Discuss Question
Answer: Option C. -> Bakelite
Question 50. “The surface integral of the normal component of the electric displacement D over any closed surface equals the charge enclosed by the surface”.The above statement is associated with
  1.    Gauss’s law
  2.    Kirchhoff's law
  3.    Faraday’s law
  4.    Lenz’s law
 Discuss Question
Answer: Option A. -> Gauss’s law

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