Recent content by wf198349

But how can I get the term 4\pi\epsilon_{0}A\delta(r) ?

The reference answer is \rho=\epsilon_{0}\nabla\cdot \stackrel{\rightarrow}{E}=-\frac{\epsilon_{0}Ab}{r^{2}}e^{-br}+4\pi\epsilon_{0}A\delta(r)

1. Homework Statement [/b] A static charge distribution produces radial electric field as follows: \stackrel{\rightarrow}{E}=A\frac{e^{-br}}{r}\stackrel{\rightarrow}{e_{r}} A,b are constants,please compute the charge density. Homework Equations \nabla\cdot...

1. Homework Statement [/b] A static charge distribution produces radial electric field as follows: \stackrel{\rightarrow}{E}=A\frac{e^{-br}}{r}\stackrel{\rightarrow}{e_{r}} A,b are constants,please compute the charge density. Homework Equations \nabla\cdot...