Three particles, each having a charge of `10 muC`, are. placed at the vertices of an equilateral triabngle of side. 10 cm. Find the work done by a person in pulling them. apart to infinite separtions.

Three particles, each having a charge of 10 muC , are placed at the vertices of an equilateral triangle of side 10 cm. Find the work done by a person in pulling them apart to infinite separations.

Charge of 5 mu C each are placed at the corners of an equilateral triangle of side 10 cm. Then the force on each charge is :-

Three charges each 20muC are placed at the corners of an equilateral triangle of side 0.4m The potential energy of the system is

Three charges 6muC are fixed at the three vertices of an equilateral triangle of side 9cm. Find the potential at the mid point of the base of the triangle.

Three particles each of mass 100 g are placed at the vertices of an equilateral triangle of side length 10 cm. Find the moment of inertia of the system about an axis passing through the centroid of the triangle and perpendicular to its plane.