Kirchhoff's Laws

Abstract

The sum of currents entering a junction is equal to the sum of currents leaving the junction. The sum of voltage increases around a closed loop of a circuit is equal to the sum of voltage drops around the loop. • Branch Method Label a current through each branch of the circuit. Set up a set of independent equations for the junctions (current law) and loops (voltage law) in the circuit. Label a current around each independent loop of the circuit. Set up an equation for each current loop (voltage law), counting all the currents in any given element.