What are some sources of error in this physics lab?

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SUMMARY

The discussion focuses on identifying sources of error in a physics lab that utilizes a vacuum tube to measure an electron's charge to mass ratio. Key sources of error include human error, measurement inaccuracies, and potential environmental factors affecting the vacuum tube's performance. Participants emphasize the importance of considering all physical elements involved in the measurement process to conduct a thorough error analysis. The lab can be accessed at the provided link for further context.

PREREQUISITES
  • Understanding of vacuum tube operation
  • Familiarity with electron charge to mass ratio calculations
  • Knowledge of measurement error types
  • Basic principles of experimental physics
NEXT STEPS
  • Research common sources of error in vacuum tube experiments
  • Learn about statistical methods for error analysis
  • Explore techniques for minimizing human error in laboratory settings
  • Investigate environmental factors affecting vacuum tube measurements
USEFUL FOR

Physics students, laboratory technicians, and educators involved in experimental physics and error analysis in scientific research.

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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