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Helmholz Coils
Helmholz Coils
 
Sold per pair
Price: £302.25
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Cat. No.: TTT-150-150
Quantity :

Description
 
Highly evacuated electron tube with focusing electron gun and fluorescent screen inclined relative to the beam axis, so that the path of the beam can be seen and the effects of electric and magnetic fields can be studied. The electron beam can be deflected electrically in the electric field of the built-in plate capacitor, and magnetically by using the Helmholtz coils (see next page). By adjusting the electric field so that it cancels the magnetic deflection, it is possible to determine the specific charge e/m and the velocity of the electrons.

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Features
  • Filament voltage: 6.3 V AC
  • Max. anode voltage: 5000 V
  • Anode current: approx. 0.1 mA at 4000 V
  • Max. capacitor voltage: 5000 V
  • Fluorescent screen: approx. 90x60 mm2


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