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Question:
what is colombs law?
Answer:

Coulomb’s law states that Force exerted between two point charges:

  • Is inversely proportional to square of the distance between these charges and
  • Is directly proportional to product of magnitude of the two charges
  • Acts along the line joining the two point charges

F = k [q1q2] / r2 where k = 1/4π€0 (€0 = 8.854 * 10-12 C2N-1m-2 nis called permittivity of free space)

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