question_answer

Three identical positive charges Q are arranged of the triangle is a. Find the intensity of the field at the vertex of a regular tetrahedron of which the triangle is the base.

A) \[\sqrt{6}\frac{KQ}{{{a}^{2}}}\]         

B)        \[\sqrt{2}\frac{KQ}{{{a}^{2}}}\]

C) \[\sqrt{3}\frac{KQ}{{{a}^{2}}}\]         

D)        None of these