of an equilateral (a) Three point charges q,- 49 and 5 placed at the vertices of an equi triangle ABC of side 'l' as shown i figure. Obtain the expression for magnitude of the resultant electric for acting on the charge q. & (b) Find out the amount of the work done 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.

(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.

Three points charges are placed at the corners of an equilateral triangle of side L as shown in the figure: find the resultant dipole moment

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.