Equipotential Surfaces: These are surfaces where the electric potential is constant. Electric field lines are always perpendicular to equipotential surfaces. Calculating the electric field at a given ...

It's time for another physics example. In this case, I am going to calculate the electric field due to an electric charged rod. Of course you could do this analytically using a bit of calculus. This ...

I’ve already made the argument that numerical models (using computer code) should be an integral part of the introductory physics course. But what if you don’t know where to start? Suppose you are ...