6 A positively charged small disc is released on the top of

Last updated: 5/28/2023

6 A positively charged small disc is released on the top of fixed hemispherical frictionless dome in presence of a uniform horizontal electric field If the disc leaves the dome after an angular displacement 0 sin 3 5 find ratio of gravitational and electrostatic forces on the disc Assume that the dome does not exhibit any electrical property a 4 3 c 9 2 b 3 4 d 12