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3B Scientific, UE3070700-230, Experiment for Electricity: Fine-Beam Tube, 230 V, 50/60 Hz
UE3070700-230 Includes Only:
Features:
Objective: Determine the specific charge of an electron
In the fine-beam tube, the path of electrons in a uniform magnetic field can be observed as a clearly delineated ray. This means that the radius of the circular path can be directly measured with a simple ruler. From the path radius r, the magnetic field B and the electron gun's accelerating voltage U the specific charge of an electron e/m can be calculated.
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