If V and u are electric potential and energy density, respectively, at a distance r from a positive point charge, then which of the following graph is correct ?

A current is flowing through a thin cylindrical shell of radius R . If energy density in the medium, due to magnetic field, at a distance r from axis of the shell is equal to U then which of the following graphs is correct

If induction of magnetic field at a point is B and energy density is U then which of the following graphs is correct

Show that electric potential at a point P, at a distance .r. from a fixed point charge Q, is given by : V=(1/(4piepsilon_0))Q/r

Electric potential energy V between two charges varies with distance (r) between them as

In the fig. The potential energy U of a particle plotted against its position x from origin. Which of the following statement is correct

The electric potential at a point certain distance from a point charge is 600 V and the electric field is 200 NC^(-1) . Which of the following statements will be true?

The electric potential at a certain distance from a point charge is 600 V and the electric field is 200 NC^(-1) . Which of the following statements will be true?

Obtain an expression for electric potential .V due to a point charge .Q at a distance r.