KCL
The algebraic sum of all the currents which meet at a junction or node is zero.
Once charge has entered into the node, it has no place to go except to leave (this is known as conservation of charge). The total charge flowing into a node must be the same as the the total charge flowing out of the node. So,
A Matrixversion of Kirchhoff's current law is the basis of most circuit simulation software, such as SPICE.Kirchhoff's current law combined with Ohms law is used in Nodal Analysis.
The algebraic sum of all the currents which meet at a junction or node is zero.
This fundamental law results from the conservation of charge. It applies to a junction or node in a circuit -- a point in the circuit where charge has several possible paths to travel.
In Figure 1, we see that I2 and I3 are the only current flowing into the node. However, there areTwo paths for current to leave the node, and these current are represented bI1 and I4. Once charge has entered into the node, it has no place to go except to leave (this is known as conservation of charge). The total charge flowing into a node must be the same as the the total charge flowing out of the node. So,
A Matrixversion of Kirchhoff's current law is the basis of most circuit simulation software, such as SPICE.Kirchhoff's current law combined with Ohms law is used in Nodal Analysis.
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