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  1. S

    Can a dielectic MATERIAL IS A INSULATOR?

    When a dielectric material insert between two plate capacitors the conductivity may increase. Normally we talk that a dielectric is insulator?but how can it increases conductivity?
  2. S

    Question on young's double experiment

    why we have to kept opaqe screen parllel to the two slits in young's double slit experiment?