Menu
Home / ECE / Exam Questions Paper :: Discussion

Discussion :: Exam Questions Paper

  1. Calculate the electrostatic force of repulsion between two mica particles at a distance of 10-13 m from each other. Charge on a particle is 3.2 x 10-19 C. (relative permittivity for mica is 5)

    2. A.
    1.843 x 10-15 N
    B.
    9.2 x 10-2 N
    C.
    14.41 x 10-9 N
    D.
    none of these

    View Answer

    Workspace

    View Answer

    Answer : Option D

    Explanation :

    By Coulomb's law:

    Electrostatic force = =

    = 18.43 x 10- 3 N.

Write your comments here:

Be The First To Comment