Question

Assignment from electromagnetism

Answer 1

In quantum mechanics charge density of the electron cloud around the core is given
by the following equation:

\[\rho (r) = \frac{ q }{ \pi*r ^{3}_{B} } * e ^{\frac{ -2r }{ r _{B} }}\]

where \[r _{B}\] is Bohr's radius and q charge of the electron. Calculate the electric field
which is produced by the upper charge density.