A solid insulating sphere of radius R is given a charge Q. If at a point inside the sphere the potential is 1.5 times the potential at the surface, this point will be

An siolated metal sphere of radius 'r' is given a charge 'q' . The potential energy of the sphere is

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

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

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

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 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 :

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 :