A electron moves in a circle of radius 1.0 cm with a constant speed of 4.0 x m/s, the electric

current at a point on the circle will be (e=106x)

(a)1 x Ω

(b) 1.1 x Ω

(c) 5.1 x Ω

(d) 2.1 x Ω

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

Need to find the time taken for the dipole to come back to eqm