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MCQs

Total Questions : 441 | Page 41 of 45 pages
Question 401. 8. The number of Faraday tubes of flux Passing through a surface in an electric field is called
  1.    electric flux
  2.    electric flux density
  3.    magnetic flux density
  4.    electric charge density
 Discuss Question
Answer: Option A. -> electric flux
Question 402. 9. The value of E within the field due to a point charge can be found with the help of
  1.    Faraday's laws
  2.    Kirchhoff s laws
  3.    Coulomb's laws
  4.    none of the above
 Discuss Question
Answer: Option C. -> Coulomb's laws
Question 403. 2. Capacitance of a multiplate capacitor is given by0 I"
  1.    d2 (n - 1)2E,E,A
  2.    (n - 1)E E A2
  3.    d2
  4.    (n - 1)EoerA
 Discuss Question
Answer: Option D. -> (n - 1)EoerA
Question 404. 1.  The relation between the breakdown voltage V and the thickness (t) of the dielectric is given by V--= At243, where A is a constant depending on the nature of the medium and also on the thickness t.The above statement is known as
  1.    Kirchhoffs law
  2.    Faraday's law
  3.    Baur's law
  4.    None of the above
 Discuss Question
Answer: Option C. -> Baur's law
Question 405. 3. The value of dielectric constant for vacuum is taken as
  1.    zero
  2.    1
  3.    4
  4.    10
 Discuss Question
Answer: Option B. -> 1
Question 406. 7. The time also be d the charg of its initi
  1.    37
  2.    42
  3.    63
  4.    73
 Discuss Question
Answer: Option A. -> 37
Question 407. 4. T in is ar ca pa to B in
  1.    0
  2.    0
  3.    0
  4.    I.
 Discuss Question
Answer: Option A. -> 0
Question 408. 5. An 0.005 of 5 imme permi stored immer
  1.    125
  2.    625
  3.    800
  4.    non
 Discuss Question
Answer: Option D. -> non
Question 409. 6. A capacitance in series time con 0.2s
  1.    0.4 s
  2.    0.6 s
  3.    0.8 s
  4.    0.2 s
 Discuss Question
Answer: Option B. -> 0.6 s
Question 410. 9. Dielectric strength of a material depends on
  1.    moisture content
  2.    temperature
  3.    thickness
  4.    all of the above
 Discuss Question
Answer: Option D. -> all of the above

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