- #1
Jeff18
- 2
- 0
Homework Statement
A ring having a 10cm radius has a positive uniform density charge of 119,37 uC/m. Determine the electric field on the ring's axis at 5cm from the center of the ring.
Homework Equations
I used the equation E=2pi kad sigma/(a^2+ d^2)^(3/2). My question is related to the kad symbol. Does it have a real importance, and if so, what is it significance and how can I use it?!
Thanks