A uniformly charged thin spherical shell of radius R carries uniform surface charge density of `sigma` per unit area. It is made of two hemispherical shells, held together by pressing them with force F. F is proportional to

A uniformly charged thin spherical shell of radius R carries uniform surface charge density of sigma per unit area.It is made of two hemispherical shells hold together by pressing them with force F.F is equal to qquad F + + +(1)/(+)+

The electric field inside a spherical shell of uniform surface charge density is

A spherical shell of radius R has a uniformly distributed charge ,then electric field varies as

Consider a thin spherical shell of radius R consisting of uniform surface charge density sigma . The electric field at a point of distance x from its centre and outside the shell is

A sphere has surface charge density sigma . It is surrounded by a spherical shell. The surface charge density on the spherical shell is

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

Consider a thin spherical shell of uniform density of mass M and radius R :

A thin circular disk of radius R is uniformly charged with density sigma gt 0 per unit area.The disk rotates about its axis with a uniform angular speed omega .The magnetic moment of the disk is :