Grade 12th passElectrostatics
Charge is applied to a circular disk of ebonite of radius by rubbing it while it is rotating. In
this way the surface charge density becomes proportional to the radial distance from the
center. Show that the electric field strength on the axis of the disk at an axial distance ℎ from
the center is
√
−
√ .
Charge is applied to a circular disk of ebonite of radius by rubbing it while it is rotating. In
this way the surface charge density becomes proportional to the radial distance from the
center. Show that the electric field strength on the axis of the disk at an axial distance ℎ from
the center is
√
−
√ .
this way the surface charge density becomes proportional to the radial distance from the
center. Show that the electric field strength on the axis of the disk at an axial distance ℎ from
the center is
√
−
√ .
