Week Three: Basic Laws Part II


Kirchhoff's Law
    -are two equalities that deal with the current and voltage in the lumped element model of electric circuits.

    -first describe in 1845 by Gustav Kirchhoff.
                                                              


Kirchhoff's Current Law (KCL)
    -The summation of current(I) entering a node is equal to the summation of current(I) leaving the node.

                                                    
Kirchhoff's Voltage Law (KVL)
   -The sum of voltages around a loop is zero(0).
                                   

Important terms to remember:

  • Branch-represents a single element.
  • Nodes-the meeting point between two or more branches.
       Two types of Nodes:     
                1. Reference
                2. Non-reference

  • Loop-any closed loop path in the circuit.

            

   Watch an Example Problem regarding Kirchhoff's law:




Reflection:


             I was able to learn how to construct an equation using kirchhoff's law with ohm's law. In kirchhoff's voltage law, it doesn't matter whether you use counter-clockwise or clockwise as basis for creating an equation. As long as you are consistent with what you are going to use in order to avoid confusion. 




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