Electric Potential

Calculate electric potential at a point P which is at a distance of 9 cm from a point charge of 50 μC.

Obtain an expression for electric potential ‘V’ at a point in an end-on position i.e. axial position of the electric dipole. 

Calculate potential on the axis of a ring due to charge Q uniformly distributed along the ring of radius R.

Electric potential is potential energy ______.

Electric Potential V at a point in an electrical field is ______.

Two charges −q and +q are located at points A (0, 0, −a) and B (0, 0, +a) respectively. How much work is done in moving a test charge from point P (7, 0, 0) to Q (−3, 0, 0)?

In a system of n point charges electric potential at a point P having a distance r_i from the charge q_i is ________.

Draw a plot showing the variation of (i) electric field (E) and (ii) electric potential (V) with distance r due to a point charge Q.