# Kirchhoff's Voltage and Current Lab Report

Aug 4th, 2016
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Title: KCL and KVL ApplicationsDate: August 2, 2016PURPOSE OF THE EXPERIMENTThe purpose of this laboratory experiment was to verify the Kirchhoffs Voltage Law (KVL) andKirchhoffs Current Law (KCL) in the analysis of electrical circuits.LIST OF EQUIPMENT USEDBreadboardResistors (1K)Digital MultimeterAnalog Discovery DeviceINTRODUCTIONThe analysis of electrical circuits involves the determination of the currents and voltages through theconstituent circuit elements. The two basic laws of electricity that are extremely useful in analyzingelectric circuits are the Kirchhoffs laws for voltage and current and the Ohms Law. In practicalsituations, the analysis task can be simplified using the Thevenins and superposition theorems.THEORYKirchhoffs Voltage Law (KVL) states that around any closed path or loop in a circuit, the algebraic sumof all electric potential differences is equal to zero. A closed loop is a path in a circuit that does notcontain any other closed loops. Loops 1 and 2 in Figure 1 are examples of closed loops.For instance, if loop 1 is followed clockwise, the KVL equation is:1 + 2 + = 0Kirchhoffs Current Law (KCL) states that at any node (junction) of an electric circuit, the algebraic sumof all the currents is zero. This means that the sum of currents entering the node is equal to the sum ofcurrents leaving the node. This is illustrated in Figure 2 belowThe equation obtained by

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