Hello! Oh I'm so sorry, I'm new so I didn't know.
Well if the charge is zero, how does the field exist? Because the expression of electric field itself has the "Q" term. The answer is that the electric field must vary by d^-1. I'm still not able to solve :((
[ Moderator note- Edited to re-insert formatting template headers]
Hi guys,
I am stuck at this problem,
Homework Statement
Here it is given that an insulating sphere of radius a, carries a charge density ρ=ρ'( a^2-r^2)cosθ, when r <a. How will the leading order term for the electric field at...