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Grade 11Electric Current

What do you understand by kirchoffs law?

Profile image of ravi kant
12 Years agoGrade 11
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1 Answer

Profile image of Mukesh Sharma
12 Years ago

Kirchhoff Current Law, also known as Kirchhoff's Junction Law and Kirchhoff's First Law, defines the way that electrical current is distributed when it crosses through a junction - a point where three or more conductors meet. Specifically, the law states that:
The algebraic sum of current into any junction is zero


Since current is the flow of electrons through a conductor, it cannot build up at a junction, meaning that current is conserved: what comes in must come out. When performing calculations, current flowing into and out of the junction typically have opposite signs. This allows Kirchhoff's Current Law to be restated as:
The sum of current into a junction equals the sum of current out of the junction.
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Mukesh Sharma
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