Electrostatics MCQ QUESTIONS ANSWERS eee Part1

Monday, 6 January 2014



Electrostatics MCQ  JOBS STUDY Engineering UNIVERSITY ADMISSION TEST QUESTIONS ANSWERS Part1



  • The force between two electrons separated by a distance r varies as  r^-2.
  • Two charges are placed at a certain distance apart. A brass sheet is placed between them. The force between them will decrease.
  • Study under electrostatics lightning rod.
  • The relative permittivity of air is 1 (one).
  • The relative permittivity of a material is 10. Its absolute permittivity will be 8.854x10^-11 F/m.
  • Another name for relative permittivity is dielectric constant.
  • The relative permittivity of most materials lies between 1 and 10.
  • When the relative permittivity of the medium is increased, the force between thwo charges placed at a given distance apart decreases.
  • Two charges are placed at a distance apart. If a glass slab is placed between them, the force between the charges will decreases.
  • A soap bubble is given a negative charge. Its radius Increases.
 

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