Two point charges `+6q and -8q` are placed at the vertices B and C of an equilateral triangle ABC of side a. Obtain an expression for magnitude and direction of resultant electric field at the vertex A due to these two charges.

Two point charges +q and -2q are placed at the vertices B and C of an equilateral triangle ABC of side a as given in the figure. Obtain the expression for (i) The magnitude and (ii) the direction of the resultant electric field at the vertex A due to these two charges.

Two point charges of 6 nC and 12 nC are placed at the corners of B and C of an equilateral triangle ABC of side 0.03 m . Calculate the magnitude of the resultant electric intensity at the vertex A of triangle.

(a) Three point charges q,-4q and 2q are placed at the vertices of an equilateral triangle ABC of side 'l' as shown in the figure. Obtain the expression for the magnitude of the resultant electric force acting on the charge q. (b) Find out the amount of the work 4one to separate the charges at infinite distance.

(a) Three point charges q,-4q and 2q are placed at the vertices of an equilateral triangle ABC of side 'l' as shown in the figure. Obtain the expression for the magnitude of the resultant electric force acting on the charge q. (b) Find out the amount of the work 4one to separate the charges at infinite distance.

Two equal charges q are placed at the vertices A and B of an equilateral triangle ABC of side a. the magnitude of electric field at the point C is

Equal charges q are placed at the vertices A and B of an equilatral triangle ABC of side a . The magnitude of electric field at the point C is