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Homework Help: 2006 AS Planning excercise

  1. May 1, 2006 #1
    I've looked everywhere for information on photocells and a distance-output equation, but have found nothing.. Anyone got any ideas on this?

    edit: forget it, sorry, i have found another thread on this forum . thanks guys. :D
    Last edited: May 1, 2006
  2. jcsd
  3. May 1, 2006 #2


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  4. May 1, 2006 #3
    ok just one thing, the use of a voltmeter alone to measure the pd, i gather from your responses, is not possible. why?
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