Hello everyone, I have the following problem understanding electromagnetic induction. THis is not a homework question but it's a thought experiment I seem to not succeed in doing. Let's take the situation where you move a rectangle shaped plate with a speed perpendicular to a homogenous magnetic field. Now for 2 different reasonings I get different results: Lorentz Force Because the electrons in that plate, have a speed due to the moving of the plate, they are moving particles in a magnetic field, therefore there is a lorentz force on them. In class we expressed that as F=B*Q*v. If you keep moving the plate, all the electrons will move to one side of the plate (depending on your arrows) making that side negatively charged, and the opposite side positively charged. You have a difference in potentials, therefore a voltage. Electromagnetic induction If we look at that plate as having a flux through it, we can say that because it is a homogenous field, as long as the speed is constant the flux through the plate will be exactly the same for every moment. So when moving a certain distance through this field we can look at what the voltage is. Well Δflux = 0 because at every moment the flux is the same, so the induced voltage is as well zero. Obviously this is not right, I assume I made a reasoning mistake in the electromagnetic induction part, where is it? Thanks a lot.