Electric field due to a non-conducting sphere at `(R)/(4)` is same as some external point r(r>R). Find the ratio of electric potential (w.r.t infinity) at internal and external point.(R is radius of sphere,

A conducting sphere of radius r has a charge . Then .

A non-conducting sphere of radius R is given a charge Q. Charge is uniformly distributed in its volume. The electric potential at centre and at the surface of sphere respectively are

Two conducting spheres of radii R_(1) and R_(2) are at the same potential. The electric intensities on their surfaces are in the ratio of

Define the term potential energy of charge q at a distance r in an external electric field.

A hollow conducting sphere of radius R has a charge (+Q) on its surface. What is the electric potential within the sphere at a distance r = (R )/(3) from its centre ?

An insulating solid sphere of radius R has a uniformly positive charge density rho . As a result of this uniform charge distribution there is a finite value of electric potential at the centre of the sphere, at the surface of the sphere and also at a point out side the sphere. The electric potential at infinity is zero. Statement-1: When a charge 'q' is taken from the centre to the surface of the sphere, its potential energy changes by (qrho)/(3 in_(0)) Statement-2 : The electric field at a distance r (r lt R) from the centre of the the sphere is (rho r)/(3in_(0))

A conducting sphere of radius R is given a charge Q . The electric potential and the electric field at the centre of the sphere respectively are

A conducting sphere of radius R is given a charge Q . The electric potential and the electric field at the centre of the sphere respectively are

Inside a conducting hollow sphere of inner radius R_(1) and outer radius R_(2) , a point charge q is placed at a distance x from the center as shown in fig. Find. . (i) electric potential at C (ii) electric field and potential at a distance r from the center outside the shell.

A solid conducting sphere of radius r is having a charge of Q and point charge q is a distance d from the centre of sphere as shown. The electric potential at the centre of the solid sphere is :