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Shown in the figure is a shell made of a conductor. It has inner radius a and outer radius b, and carries charge Q. At its centre is a dipole  as shown. In this case:

                                            

a) Surface charge density on the outer surface depends on

b) Surface charge density on the inner surface is uniform and equal to         

c) Electric field outside the shell is the same as that of point charge at the centre of the shell

d) Surface charge density on the inner surface of the shell is zero everywhere



Question ID - 51482 | SaraNextGen Top Answer

Shown in the figure is a shell made of a conductor. It has inner radius a and outer radius b, and carries charge Q. At its centre is a dipole  as shown. In this case:

                                            

a) Surface charge density on the outer surface depends on

b) Surface charge density on the inner surface is uniform and equal to         

c) Electric field outside the shell is the same as that of point charge at the centre of the shell

d) Surface charge density on the inner surface of the shell is zero everywhere

1 Answer
127 votes
Answer Key / Explanation : (c) -

Since dipole is having zero net charge. So inside surface shall have non-zero non-uniform charge distribution. And net field outside the region would be same as that would have been for point charge at surface.

127 votes


127