3)Derive electromagnetic field environment equation for the energy density for the environment as given below which is devoid of any charges initially and then a charge Q3 is brought from infinity to...

Extracted text: 3)Derive electromagnetic field environment equation for the energy density for the environment as given below which is devoid of any charges initially and then a charge Q3 is brought from infinity to point P3, followed by Q2 to point P2 and Q1 to point P1 and vice versa