The Effects of the Electric Field on the Motion of a Particle

The overall motion of a particle in an electric field depends upon the existing motion of the particle. A really massive particle won't be accelerated by very much, whereas a small particle that has the same charge will be accelerated much more. electroscopes are simply a device that detects the electric charge of an object. So it allows you to tell when something is charged. How does it work? One final topic that I'd like to talk about before we move on to electric potential is electroscopes.