Electric energy Definition and 53 Threads

hi i am not exactly able to understand in which form or rather how electric and magnetic energy get stored in capacitor and inductor respectively... :shy:

The way to solve this, i tried is by saying F = k(q1)(q2) / r^2. So, the force between the two charges is (9x10^9)(2.6x10^-8)(5.5x10^-8) / (1.4^2). Although, from there I'm not sure where to go because that just solves for the force inbetween the two charges and not the EPE or even more...

1)two different formulas for electric field is a)U=(1/2)Q1V1+(1/2)Q2V2+... b)U=\int \frac{1}{2}\epsilon.E^2dv Using these how could we perform an experiment to test where the energy located? 2)Since the electric energy density is never negative, how can the mutual electric potential of...