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What are some sources of error in this physics lab?

  1. Apr 11, 2015 #1
    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!
  2. jcsd
  3. Apr 11, 2015 #2


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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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