[" 2.Petermine the electric field produced by a helium "],[" nucleus at a distance of "1 AA" from it."],[qquad [" Ans."2.88times10^(11)NC^(-1)" ) "]]

Determine the electric field produced by a helium nucleus at a distance of 1 Å from it.

The electric field due to a proton of charge 1.6 xx 10^(-19)C at a distance 1 A (10^(-10)m) from it is

The electric field at (30, 30) cm due to a charge of -8nC at the origin in NC^(-1) is

The electric field at (30,30) cm due to a charge of - 8 nC at the origin in NC^(-1) is

The electric field at a point on the axial line at a distance of 10 cm from te centre of an electric dipole is 3.75 xx 10^5NC^-1 in air, while at a distance of 20 cm, the electric field is 3xx10^4NC^-1 . Calculate the length of the electric dipole.

Electric field intersity is 400 Vm^(-1) at a distance of 2m from a point charge. It will be 100 Vm^(-1) at a distance ,

The electric field due to a charge at a distance of 3 m from it is 500 NC^(-1) . The magnitude of the charge is [(1)/(4 pi epsi_(0)) = 9 xx 10^(9) N - m^(2)//C^(2)]