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* The purpose of the record of an experiment is to explain clearly and concisely what you are trying to do, what you actually did, what you actually observed, and what you concluded from your observa;ons.
PHYS3330: Lab Report
*You lab report should be understood by someone who is not taking this courses.
*Explain variables you introduce. Use the consistent symbols and variables throughout your lab reports including figures, tables and plots.
*Your lab report must contain the followings: -‐ Title -‐ Objec1ve -‐ Idea/Apparatus/Theory -‐ Procedure -‐ Result and Data analysis -‐ Conclusion
Lab Reports: Details of Contents and Examples
Title: Title of the lab
Objec1ve/Goal: One or two Sentences of Basic intent of the experiment
name, Partner name, section etc
Ideas/Theory/Apparatus: Describe the main ideas or equa;ons that will be used in the lab. You can include the circuit diagram or schema;cs here.
Ideas/Apparatus: Describe the main ideas or key equa;ons that will be used in the lab. You can include the circuit diagram or schema;cs here.
Procedure: Summary of process you followed while carrying out the experiment. no more than ½-‐1 pages.
Voltage divider
Wheatstone Bridge
Copper wire resis;vity measurement
Result and Data Analysis: -‐The complete data set : Uses of table is strongly recommended -‐ Calcula;on of results: Detailed numerical sample of each type with unit and conversion. -‐ Relevant Plots (including axis label, unit, ;tle) -‐ If you have not reached the desirable results, explain how you troubleshoot and the result.
Voltage divider
Wheatstone Bridge
When Rx changed by 5% by adding 50 Ω, ΔRx = 50Ω, ΔVmeausred = 0.184V ΔV_calc = 0.190 V.
There was 3% discrepancy.
when the bridged is “balanced” (ΔV =0)
Result and Data Analysis
****Add PLOTS in this sec;on if it is needed -‐Check axes labels, units and ;tle. Fig.4 Bode plot for high Pass filter
Copper resis;vity measurement
Thus resistivity from DMM (ρDMM) and 4-terminal measurements (ρ4tc) is ρDMM = 1.5 μΩ cm and ρ4tc = 1.72 μΩ cm Each values has corresponding error coming from the reading of voltmeter. They are ...... These values is compared to the known value from the pre-lab 1.69μΩ cm has ***% of error.
Result and Data Analysis
Conclusion: -‐Summarize your results and compare them to accepted or calculated values. (if you did this in analysis sec;on, say again in brief form!) -‐If you have suspicions and/or large discrepancy in your result, discuss here with reasonable quan;ta;ve es;mates -‐You lose points by simply unsubstan;ated or incorrect guess -‐S;ck to scien;fic conclusions! Not opinions, no personal comments!
(Bad example) ... This lab was fun and I learned a lot. It is really sad that we did not get the right result in the end.
kΩ kΩ
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