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Develop a Variable volatage divider

  1. Oct 15, 2007 #1
    Develop a Variable volatage divider....

    I have no idea how to figure out this one, this is what i did but im not quite sure what they want. [​IMG]
  2. jcsd
  3. Oct 15, 2007 #2
    They want the max resistance setting of a pot to yield 50 volts and the minimum to yield 18 volts.

    You are going to need another resistor beside the pot to achieve this.
  4. Oct 15, 2007 #3
    on the upper side or the lower side?
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