Skip to main content

All Questions

1 vote
1 answer
152 views

Unknown integral identity in derivation of first Maxwell equation

Reference: "Theoretische Physik" (2015) by Bartelsmann and others, page 391, equation (11.23). While deriving the first Maxwell equation based on Coulomb's law, the authors are using the ...
0 votes
1 answer
299 views

Equation of infinitesimal ring when finding $ \vec{E}$ of a disc?

When trying to find the electric field created by a uniformly charged disc at a point P on axis of the disc, it can be done by integration. We start by finding the electric field dE created by each ...