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Kirchoff's Laws

Kirchoff's Law Current Law

 

Kirchoff's Current LawAt any node (junction of two or more wires) the total current entering the node

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equals the total current exiting the node.

 

In the diagram to the right, I1 + I3 = I2 + I4 + I5

 

 

 

 

 

 

Kirchoff's Voltage Law


Kirchoff's Voltage LawThe sum of voltages in a closed loop is zero.

 

In the diagram to the right, V1 + V2 + V3 + V4 = 0

 

 

 

 

 

 

Kirchoff's Laws in Physics Problems

 

Kirchoff's Laws in Basic Circuits

 

 

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