Ef-2 Bending of an Electron Beam
Published: Tuesday 14 March 2006 - Updated: Tuesday 29 March 2011
To demonstrate the force experienced by an electron beam in a magnetic field.
- Evacuated tube as shown
- Bar magnet
- Tesla coil or induction coil
Click on pictures to enlarge.
Bending of an Electron Beam
The apparatus consists of an evacuated tube containing an oblique fluorescent screen upon which the path of the beam is clearly visible. When a magnet is brought up to the device the electron beam is deflected.