When a charged particle zips through the chamber, the vapour condenses into a trail of droplets showing the particle's path and, if the box is placed in a magnetic field, its electrical charge.
The chamber further contains either: a plurality of particles susceptive to movement in a magnetic field; or one particle susceptible to movement in a magnetic field.
所述腔 还包括可在磁场中运动的多个微粒或可在磁场中运动的一个微粒。
3
A second chamber is disposed between the diaphragm and the magnetic circuit.