I am trying more generally to find the equation of the fore exerted by an electromagnet. The one that I keep finding is
F=((NI)^2 A mu0)/2X^2.
N is turn number, I is current, Mu0 is permeability of free space, A is the area of the core and X is the distance from the electromagnet.
I take...
Hi, I don't really know how to use this forum thing, and it mentioned in the welcome mail i shouldn't use this to ask questions, so i will hold off with my questions until later