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Forum Help finding Resistance formula
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Related

Help finding Resistance formula

Psin545
Psin545 over 2 years ago

image

I would like to get some help trying to figure out the resistance from a specific point in this circuit. 

If the top left corner of the square was point A, and the top right corner was point B, the bottom right corner is point C and the bottom left corner point D,

and if R1 is the top resistor, and R2 the resistor going down the right side, and R3 is the bottom resistor, and R4 is the left resistor, and R5 is the one cutting across the square,

what is the formula to calculate the resistance between point A and C? I’ve calculated all other points (AB,AD,BC,BD, and CD) but can’t seem to get it correct for AC.

Any help is greatly appreciated. (Sorry for the lack of better photos and diagrams) 

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  • shabaz
    shabaz over 2 years ago +4
    Hi, All the information you need is here: https://instrumentationtools.com/y-and-delta-resistor-network-calculations/ (Not going to answer it in case it is a homework question), but basically provided…
  • Psin545
    Psin545 over 2 years ago in reply to shabaz +1
    Thank you for the link just solved it turning the “Y” or “T” junction into a Delta, thank you very much!
  • shabaz
    shabaz over 2 years ago

    Hi,

    All the information you need is here:

    https://instrumentationtools.com/y-and-delta-resistor-network-calculations/

    (Not going to answer it in case it is a homework question), but basically provided you look at that, and know how to calculate parallel resistors, then you're set.

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  • Psin545
    Psin545 over 2 years ago in reply to shabaz

    Thank you for the link just solved it turning the “Y” or “T” junction into a Delta, thank you very much! 

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