The Dielectric strength of medium

  • AIncreases with rise in temperature
  • BIncreases with moisture content
  • CIs same for all insulating materials
  • DNone of the above
Correct Answer : (D)

None of the above

Hints :

The force between two charges is 120 N. if the distance between the charges is doubled, the force will be


The lines of force due to charge particles are

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