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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > Three identical positive charges each of value Q are arranged at the vertices of an equilateral triangle of side length a. The intensity of the electric field at the vertex of a regular tetrahedron of which the triangle is the base is:

Three identical positive charges each of value Q are arranged at the vertices of an equilateral triangle of side length a. The intensity of the electric field at the vertex of a regular tetrahedron of which the triangle is the base is:

A particle of mass m carrying a charge -q1 starts moving around a fixed charge q2 along a circular path of radius r . Find the time period of revolution T of charge -q1.