Equal charges each of `20 muC` are placed at `x = 0, 2,4,8,16 cm` on X-axis. Find the force experienced by the charge at `x = 2cm`.

Equal charges each of 20muC are placed at 0, 2, 4, 8, 16 cm on X-axis. Find the electric field experienced by the charge at x=2cm.

Two charges of 2muC and 5 muc are placed 2.5 cm apart. The ratio of the Coulombs force experienced by them is :

Three equal charges of +q C each placed at the three corners of an equilateral triangle. Find the total force experienced by a unit charge placed at the centroid of the triangle.

An infinite number of charges, each equal to 4mu C are placed alolng x-axis at x=1m, 2m, 4m, 8 m and so on. Find the total force on a charge of 1C placed at the origin.

An infinite number of charges each equal to 4 muC are placed along X-axis at x = 1 m, x = 2 m, x = 4 m, x = 8 m and so on. Find the total force on a charge of 1C plaaced at the origin.

An infinite number of charges, each of magnitude q, are placed along x-axis at x = 1m, 2m, 4m, 8m, 16m and so on but the consecutive charges are of opposite sign starting with +q at x = 1m. A point charge q_0 , kept at the origin, experiences a force of magnitude :

An infinite number of charges, each of magnitude q, are placed along x-axis at x = 1m, 2m, 4m, 8m, 16m and so on but the consecutive charges are of opposite sign starting with +q at x = 1m. A point charge q_0 , kept at the origin, experiences a force of magnitude :