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How would one connect three 9Ω resistors to get 12Ω?

  1. Jun 4, 2012 #1
    how would one connect three 9Ω resistors to get 12Ω??

    Statement
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    how would one connect three 9Ω resistors to get 12Ω??

    equations
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    i guess the relevant equations would be nothing more than series & parallel resistance connections..


    The attempt at a solution
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    I've tried all possible ways to connect them (only 4 diff ways I guess??). There is apparently a solution since its in my nephew's textbook.
     
  2. jcsd
  3. Jun 4, 2012 #2

    berkeman

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    Staff: Mentor

    Re: how would one connect three 9Ω resistors to get 12Ω??

    Hint -- you are going to have to cut the resistors in half with a fine saw...
     
  4. Jun 4, 2012 #3
    Re: how would one connect three 9Ω resistors to get 12Ω??

    I can do it with 4. Are you sure you read the problem correctly?
     
  5. Jun 5, 2012 #4
    Re: how would one connect three 9Ω resistors to get 12Ω??

    But I like Berkeman's answer better.
     
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