Three equal charges, each `+q ` are placed on the corners of an equilateral triangle . The electric field intensity at the centroid of the triangle is

Three equal charges, each +q are placed on the corners of an equilatreal triangel . The electric field intensity at the centroid of the triangle is

Five equal charges each of value q are placed at the corners of a regular pentagon of side a. The electric field at the centre of the pentagon is

Three charges each of value q are placed at the corners of an equilateral triangle. A fourth charge Q is placed at the centre of the triangle. If Q = -q :

Three charges, each of value q, are placed at the corners of an equilateral triangle. A fourth charge Q is placed at the centre O of the triangle. (a) If Q = -q , will the charges at corners starts to move towards centre of away from it. (b) For what value of Q at O will the charges remain stationary ?

Three charges each of value q are placed at the corners of an equilateral triangle. A fourth charge Q is placed at the center of the triangle. a. Find the net force on charge q. b. If Q = -q , will the charges at the corners move toward the center or fly away from it ? c. For what value of Q and O will the charges remain stationary ? d. In situation (c), how much work is done in removing the charges to infinity ?

At each corner of an equilateral triangle identical charges are placed. Then at the centre of the triangle

Three charges each of magnitude q are placed at the corners of an equilateral triangle, the electrostatic force on the charge place at the centre is (each side of triangle is L )

Three identical charges, each having a value 1.0 xx10^(-8)C, are placed at the corners of an equilateral triangle of side 20 cm find the electric field and potential at the centre of the triangle.