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AS Phyics Coursework-Sensor Project

  1. Feb 20, 2007 #1
    1. The problem statement, all variables and given/known data
    Hey guys, firs post here, like to say this seems to be nice forum, very helpful and friendly, hopefully It'll help me for months to come, and I can help as well. Suprised not to see any other topics on this, either that or my searching skills are naff, but down to business! I know this doesn't fit the format of how threads should be but this one has me stumped. I was recommended to do Physics but it's my weakest subject at A-Level, predicted a C, and that'll do very nicely ^_^, but of course, coursework is very important!

    Basically, I'd like to do a simple coursework, something which will get me a solid average mark. I'm not looking for people to 'do this for me', but just some friendy helpful tips!

    Cheers! :smile:


    2. Relevant equations



    3. The attempt at a solution
     
  2. jcsd
  3. Feb 20, 2007 #2
    I've done some research and decided to go with the rotary potentiometer used to measure water level. I am right in assuming I want to measure the P.D. in order to get my results, I'm just stuck on how my circuit diagram will look. Obviously I'll need a power source ;p, and a rotary potentiometer, a voltmeter to measure the P.D, but this seems a tad simplistice, what else do I need tom improve this.

    EDIT: Didn't realise I could edit posts, sorry!! Thanks Again.
     
  4. Feb 21, 2007 #3

    andrevdh

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    Homework Helper

    Could you insert a link to the website where you found the information of using such for water level measurement? A rotary pot and its circuit is known to me, but I just want to get a better idea of how you want to adapt it to suit your measurement. Wikipedia mentions it use as follows in this respect

    "One popular form of rotary potentiometer is called a string pot. It is a multi-turn potentiometer with an attached reel of wire turning against a spring. It's very convenient for measuring movement and therefore acts as a position transducer."

    http://en.wikipedia.org/wiki/Potentiometer

    Also, how will this project fit in with Physics? What are the stipulations for such required coursework?
     
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