Can't calculate the resistance

Discussion in 'Homework Help' started by Adlh, Mar 1, 2015.

  1. Adlh

    Thread Starter New Member

    Mar 1, 2015
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    0
    So I have this circuit that I have to calculate the resistance in and I have no idea how to add them up. I'm confused by the short circuit and how it has affected the wiring Untitled.png
     
  2. MrChips

    Moderator

    Oct 2, 2009
    12,421
    3,356
    How does one measure resistance?

    Apply a voltage source across A-B and measure the current through that leg.
    It doesn't matter what voltage you apply but try 50V for starters.

    Solve by applying KVL and KCL.
     
  3. crutschow

    Expert

    Mar 14, 2008
    12,990
    3,226
    Do you know how to calculate the equivalent value of resistors in series and resistors in parallel?
     
  4. MikeML

    AAC Fanatic!

    Oct 2, 2009
    5,450
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    Are these two circuits equivalent?

    cop.gif
     
  5. Adlh

    Thread Starter New Member

    Mar 1, 2015
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    First Yes I know how to add series and parallel resistors, its just that the short circuit completely confused me on how the current would flow. Without the short circuit it would have been an extremely easy question.
    Yes I think the 2 circuits above are equivalent to each other with how the current flows in both of them.
     
  6. MikeML

    AAC Fanatic!

    Oct 2, 2009
    5,450
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    So now you have everything you need to solve the problem?
     
  7. Adlh

    Thread Starter New Member

    Mar 1, 2015
    3
    0
    Yeah I'll do it a little later since I skipped this question and I'm doing the rest. Thank you for you help on clearing up the connections, I appreciate it!
     
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