Fields Lab is a series of interactive physics simulations of applications of electric and magnetic fields intended for teachers and students in Secondary education. It includes 2D simulations of charged particle deflection in electric and magnetic fields, electromagnetic induction, Millikan's oil droplet experiment and the combined electric field around multiple spherical charges. It also contains a 3D simulation for calculating electric and magnetic field strength. Further simulations will be added with future updates.
Fields Lab is part of the Physics Labs series of apps which also includes Optics Lab and Mechanics Lab. Visit the Physics Labs website for tutorials and further information.