[" a charge "+3Q" .Concentric with this sphere is a conducting spherical shell having "],[" esppere is a and that of the spherical shell is "b(b>" at what is the electric field at "],[" om the centre? "]

A solid metallic sphere has a charge +3Q . Concentric with this sphere is a conducting spherical shell having charge -Q . The radius of the sphere is a and that of the spherical shell is b(bgta) What is the electric field at a distance R(a lt R lt b) from the centre

A solid metallic sphere has a charge +3Q . Concentric with this sphere is a conducting spherical shell having charge -Q . The radius of the sphere is a and that of the spherical shell is b(bgta) What is the electric field at a distance R(a lt R lt b) from the centre

A solid metallic sphere has a charge +3Q . Concentric with this sphere is a conducting spherical shell having charge -Q . The radius of the sphere is a and that of the spherical shell is b(bgta) What is the electric field at a distance R(a lt R lt b) from the centre

A spherical shell of radius R has a charge +q units. The electric field due to the shell at a point

A spherical shell of radius R has a charge +Q units. The electric field due to the shell at a point

A uniformly charged non-conducting spherical shell is given +q charge and a point charge -q is placed as shown. The electric field lines will be

A uniformly charged non-conducting spherical shell is given +q charge and a point charge -q is placed as shown. The electric field lines will be

A point charge q is placed inside a conducting spherical shell of inner radius 2R and outer radius 3R at a distance of R fro the centre of the shell. The electric potential at the centre of shell will (potential at infinity is zero).