E/M of the Electron

Supplier: Science First
EP-20 EP-20/01 EP-20C
470120-938EA 3806.45 USD
470120-938 470229-070 470229-072
E/M of the Electron
Educational Materials Physics Educational Materials Modern Physics Learning Activities
Clear Measurements in Classic Study of Electrons

  • Internal voltage and current control
  • Built-in power supply
  • Large Helmholtz coils produce a uniform magnetic field

The apparatus consists of a vacuum tube within which a fine electron beam is formed. The tube is surrounded by a pair of Helmholtz coils, providing a transverse magnetic field that bends the electron beam into a circular path. Helium gas at low pressure inside the tube fluoresces, making the beam visible, and the orbit diameter is measured on an internal glass scale with fluorescent scaleMore Product Information
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