Thevenin's theorem problem

Discussion in 'Homework Help' started by Nur Adhyaksa Hamid, Nov 5, 2015.

  1. Nur Adhyaksa Hamid

    Thread Starter New Member

    Oct 20, 2015
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    Hi guys! Currently i've been learning on circuit principle particularly in Thevenin's theorem. I'm using Ralph J Smith's book but the explanation there is bit confusing. The steps to solved the problem is just hard to remember because it's jump over anything and i thing less systematic than what i found in All About Circuits. Usually, indeed i use Ralph J Smith's procedure. But the procedure is easy to forgotten. So, i search for easier method to remember and i found here.
    But, i've found some trouble in here. There are one step that i don't know how to find, that is find R thevenin. Here is the screenshot :
    I hope there are someone that will give explanation how to get 0,8Ohm resistor. Thanks.
    brao.png
     
  2. MikeML

    AAC Fanatic!

    Oct 2, 2009
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    R1//R3 = 4*1/(4+1) = 4/5 = 0.8
     
  3. Jony130

    AAC Fanatic!

    Feb 17, 2009
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    How can you study Thevenin's theorem if you don't know the basics ? This two resistors are connected in parallel, and everyone should know how to find equivalent resistance for this type of a circuit. This is really basic stuff. So you should start here :
    https://en.wikipedia.org/wiki/Series_and_parallel_circuits#Resistors_2
    http://www.allaboutcircuits.com/tex...chpt-5/what-are-series-and-parallel-circuits/
    Or even here if you don't know the Ohm's law:
    http://www.allaboutcircuits.com/textbook/direct-current/chpt-2/voltage-current-resistance-relate/
     
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