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Kirchhoff’s Voltage Law: This fundamental principle helps in understanding how voltage is distributed and conserved in a closed electrical loop. There are some simple relationships between currents and voltages of different branches of an electrical circuit. Kirchhoff's Laws are the basic laws used in electrostatics to solve complex circuit questions. Kirchhoff's Laws were given by Gustav Robert Kirchhoff who was a famous German Physicist. He gave us two laws Kirchhoff’s Current Law and Kirchhoff’s Voltage Law which are discussed in this article. What is Kirchhoff’s Voltage Law (KVL)? The principle known as Kirchhoff’s Voltage Law (discovered in 1847 by Gustav R. Kirchhoff, a German physicist) can be stated as such: “The algebraic sum of all voltages in a loop must equal zero” By algebraic, I mean accounting for signs (polarities) as well as magnitudes. By loop, I mean any path traced from one point in a circuit around to other points in that circuit, and finally back to the initial point. Demonstrating Kirchhoff’s Voltage ... These two rules are commonly known as: Kirchhoffs Circuit Laws with one of Kirchhoffs laws dealing with the current flowing around a closed circuit, Kirchhoffs Current Law, (KCL) while the other law deals with the voltage sources present in a closed circuit, Kirchhoffs Voltage Law, (KVL).
