A soap bubble 10 cm in radius with a wall thickness of1000/3Å is charged to a potential of 0.08 V. Thebubble bursts and falls as a spherical drop. Find the potential of the drop in volts.

Electrostatics question based on earthing of spherical shell

an object has a charge of 2c and gains 10^19 electrons. the net chaarge on the object becomes??

A wire with a linear charge density lambda forms a quarter of a cjrclenof radius R and is placed asa shown in thefigure with its centre of curvature at the origin O the electric field at O will be

Find the value of q so that system remains in equilibrium.. figure attached below

Find the value of q so that system remains in equilibrium