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Lab Report # 21
The e/m of an electron
Darlene Gay
March 17, 2004
OBJECTIVE:
To construct a circuit of electrical components to measure the ratio of charge to mass of an electron and predict the direction of magnetic field in a Helmholtz coil configuration. ... The circuit was wired using the connections from the e/m tube and the rheostat was connected. ...
THEORY
When a charged particle such as an electron moves through a magnetic field, a force is exerted on the particle by the field. ... The radius of the electron beam was determined since the distance of the five posts were measured and provided by the factory.
Approximate Word count = 558
Approximate Pages = 2.2
(250 words per page double spaced)
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