Categories Basic Law Electrical

Kirchhoff’s Current Law(KCL)

At any node in a circuit, the total of currents following into that node is suitable the total of currents following of that node.

The Kirchhoff’s  Current Law,(KCL):

Kirchoff’s Current Law (KCL) can be stated in words as the sum of all currents flowing into a node is zero. Or moreover, the sum of all currents leaving a node must be zero.

Kirchhoff's Current Law

Kirchhoff's Current Law

The algebraical add of all the currents coming into and going a junction is capable zero.

Kirchhoff’s Current Law Equation:

kirchhoff's current law

In the given, fig I1, I2, I3, 4, I5, I6, I7 are different currents in which some current leaving the point (A) and some current meeting at a point (A). We take the incoming current as positive and outgoing current as negative according to  Kirchhoff Current Law (KCL) the equation will be as follow.

I1+(- I2)+ I3+I 4+(- I5)+(- I6)+(- I7) =   0

I1– I2+ I3+I4– I5– I6-I7= 0 —————(1)

This is called kirchhoff’s current law (kcl) equation.

I1+ I3+ I 4 = I2+ I 5+ I 6+I 7  ———–(2)

From equation 2 it is clear that the sum of currents following towards points (A) is equal to the sum of the current following away from it.




[…] unknown currents in a circuit. It disagrees from the Branch Current method in that it does not use KCL (Kirchhoff’s Current Law), and it is usually able to solve a circuit with less unknown variables and less synchronous […]

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