Plot a graph showin the variation of Coulomb force (F) versus `1/r^2`, where r is the distance between the two charges of each pair of charges `(1muC, 2muC)` `(1muC,-3muC)`. Interpret the graphs obtained.

Graphically, represent the variation of electric field due to a point charge Q with 1//r^2 where r is the distance of the obervation point from the charge.

In figure, the two graphs show the variation of electrostatic potential (V) with 1/r (r being distance of the field point form the point charge) for two point charges q_1 and q_2 What are the signs of the two charges?

In figure, the two graphs show the variation of electrostatic potential (V) with 1/r (r being distance of the field point form the point charge) for two point charges q_1 and q_2 Which of the two charges has a larger magnitude and why?

The two graphs drawn below show the variation electrostatic potential (V) with 1/r (r being distance of the field point from the point charge) for two point charges q_1 and q_2 What are the signs of the two charges?

The two graphs drawn below show the variation electrostatic potential (V) with 1/r (r being distance of the field point from the point charge) for two point charges q_1 and q_2 . Which of the two charges has a larger magnitude and why?

Plot a graph showing variation of de-Broglie wavelength (lambda) associated with a charged particle of mass m, versus 1/sqrtV , where particle is accelerated. How does this graph give us the information regarding the magnitude of the charge of the particle?

Determine the electrostaic energy of a system containing two charges 7muC and -2muC separated by a distance of 18 cm.

Calculate the potential at the centre of a square ABCD of each side sqrt2 m due to charges 2,-2,-3,and 6muC at four corners of it.