The visual shows an oscilloscope, where a stream of electrons is deflected from its trajectory by magnetic fields as the user determines. Practise using all the possibilities available (especially with frx and fry). If you want to study what the force which acts on the moving charges is like in detail, click here.

Licencia de Creative Commons Licencia Creative Commons Reconocimiento-No Comercial-Compartir Igual 3.0 España
logo INTEF
Ministerio de Educación, Cultura y Deporte