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ELECTRIC FLUX MCQs

Total Questions : 20 | Page 2 of 2 pages
Question 11. Three charges, each of value Q, are placed at the vertex of an equilateral triangle
  1.     Q/√2Q/√2Q/√2  
  2.     −Q/√3-Q/√3−Q/√3  
  3.     −Q/√2-Q/√2−Q/√2  
  4.     Q/√3Q/√3Q/√3  
 Discuss Question
Answer: Option B. ->  −Q/√3-Q/√3−Q/√3  
Question 12. Since the electric field and the area are vectors, they have:
  1.    magnitude
  2.    direction
  3.    quantity
  4.    Both A & B
 Discuss Question
Answer: Option D. -> Both A & B
Question 13. The electric field lines passing through a surface area are called:
  1.    Electric Field
  2.    Electric Flux
  3.    Electric Charge
  4.    Electric Lines
 Discuss Question
Answer: Option B. -> Electric Flux
Question 14. Electric potential energy is measured in units of:
  1.    Joules
  2.    joules per coulomb, or volts.
  3.    ohms.
  4.    amperes.
 Discuss Question
Answer: Option A. -> Joules
Question 15. Faraday’s law states that an induced emf is proportional to
  1.    The rate of change of the magnetic field
  2.    the rate of change of the electric field
  3.    the rate of change of the magnetic flux
  4.    the rate of change of the electric flux
 Discuss Question
Answer: Option C. -> the rate of change of the magnetic flux
Question 16. If the net flux through a gaussian surface is zero, the following four statements could be true
  1.    There are no charges inside the surface.
  2.    The net charge inside the surface is zero.
  3.    The electric field is zero everywhere on the surface.
  4.    The number of electric field lines entering the surface equals the number leaving the surface.
 Discuss Question
Answer: Option D. -> The number of electric field lines entering the surface equals the number leaving the surface.
Question 17. The dimensional formula of electric charge is
  1.    M0L0T1A1M^0L^0T^1A^1M0L0T1A1
  2.    M0L0T−1A1M^0L^0T^{-1}A^1M0L0T−1A1
  3.    M0L0T1A−1M^0L^0T^1A^{-1}M0L0T1A−1
  4.    M0L0T−1A−1M^0L^0T^{-1}A^{-1}M0L0T−1A−1
 Discuss Question
Answer: Option A. -> M0L0T1A1M^0L^0T^1A^1M0L0T1A1
Question 18. “The total electric flux through any closed surface is equal to the total (net) electric charge enclosed by the surface, divided by e0”
  1.    Faraday's Law
  2.    Coulomb's Law
  3.    Gauss's Law
  4.    Volta'sLaw
 Discuss Question
Answer: Option C. -> Gauss's Law
Question 19. The S
  1.    Joule per coulomb
  2.    Newton per coulomb
  3.    Weber
  4.    Volt metre
 Discuss Question
Answer: Option D. -> Volt metre
Question 20. Who is attributed with the idea "An electric field is measurable effect generated by any charged object"
  1.    Faraday
  2.    Coulomb
  3.    Volta
  4.    Ampere
 Discuss Question
Answer: Option A. -> Faraday

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