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Potential divider coursework

  1. Oct 13, 2006 #1
    Ok
    I have some A level coursework to do on "making and testing a sensor"

    i have chosen to make a simple hot wire anemometer sensor, which will include a potential divider (for extra marks).
    However to get the marks for using the potential divider i have to state why it is neccesary in the first place. My teacher has hinted that it is neccesary for something (but only vaguely in that annoying way that A level teachers have.)

    Anybody have any ideas why using a potential divider could be usefull/neccesary in a simple hot wire anemometer circuit?????
    Because i sure as hell don't!:frown:

    Any and all thoughts appreciated!!

    P.S
    sorry if this is posted in the wrong place but this is only my first post, i'm sure i'll get the hang of it.
     
  2. jcsd
  3. Oct 13, 2006 #2

    OlderDan

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    Science Advisor
    Homework Helper

    What do you intend to hold constant during operation? How will you accomplish that?
     
  4. Oct 13, 2006 #3

    berkeman

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    Staff: Mentor

    This is the correct place for your post. I have to ask, though, what is a hot wire anemometer circuit? How does it work?
     
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