TSP
Автор: The Signal Path
Загружено: 2026-02-08
Просмотров: 2454
Описание:
In this episode Shahriar re-traces history and measures an important characteristics of a fundamental sub-atomic particle: the charge to mass ratio of an electron.
This experiment, first performed in 1897 by J.J. Thomson, changed physics by showing that atoms are indeed made of further sub-atomic particles through the discovery of electrons. We build a setup using a pair of Helmholtz coils, a cold-cathode vacuum tube driven by a multi-kV DC power supply & careful measurements of the beam deflection angle. The theoretical foundation of the experiment is described in details.
The measured e/m ratio is compared with the NIST established number with great agreement. The historical impact of the work of J.J Thomson & Robert Milikan (measuring the charge of an electron) are also presented.
The two winners of the giveaway are:
@nicolasblomstrand2912 (YouTube)
Robert S. (Patreon)
Each will receive a Siglent SDS1104X HD!
https://www.siglentna.com/product/sds...
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