What are some sources of error in this physics lab?

AI Thread Summary
In the physics lab focused on determining an electron's charge to mass ratio using a vacuum tube, potential sources of error include human error, measurement inaccuracies, and environmental factors. Participants are encouraged to consider the specific measurements being taken and the physical elements involved, as these can introduce additional errors. Factors such as equipment calibration, external magnetic fields, and temperature variations may also affect results. Understanding these sources is crucial for a comprehensive error analysis. A thorough examination of these aspects will enhance the accuracy of the lab findings.
Sheena
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The lab called on us to use a vacuum tube to determine an electron's charge to mass ratio. Here is a link to the lab: http://www.clemson.edu/ces/phoenix/labs/cupol/eoverm/index.html. What are some sources of error in this lab?
I already know that human error and error in measurement can skew results, but I can't think of any other sources of error. I have to write a full error analysis and I don't have many ideas. Any explanations of errors would be appreciated. Thank you!
 
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What measurements are you making? What physical elements are involved in the measurement? Surely you can think of some related errors.
 
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