Question Answers

Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > A point charge +Q is placed at the centroid of an equilateral triangle. When second charge +Q is placed at the vertex of the triangle the magnitude of the electrostatic force on the central charge is 8N. The magnitude of the net force on the central charge when a third charge +Q is placed at another vertex of the triangle is

A point charge +Q is placed at the centroid of an equilateral triangle. When second charge +Q is placed at the vertex of the triangle the magnitude of the electrostatic force on the central charge is 8N. The magnitude of the net force on the central charge when a third charge +Q is placed at another vertex of the triangle is

a ) due to three infinetly long lines of charges along the x- y and z axes respectively. The charge density i.e A) charge per unit length of each wire is lamda. Find the electric gfield vector at p ( a