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PHY 114 Direct Current (DC) Circuits Name: Brennan Brown Partners: Megan Dukek, Chance Marostica Section: 72385 TA: Omer Albayrak 9-26-17 Abstract: The objective of this experiment was to become acquainted with the various components of an electrical circuit. We learned how to make simple circuits using a power supply, light bulbs, resistors and the draw the circuit diagram using the appropriate symbols. A digital multimeter (DMM) was used as a measuring tool and we learned how to properly connect a DMM and measure resistance, voltage, and current. The behavior of direct current (DC) electrical circuits was investigated and the flow of electrical current in a circuit from the battery or power supply was studied. The flow of electrical current flows from power supply through the wires and various combinations of light bulbs and resistors. The first part of the lab was experimenting with different combinations of a power supply connected to a single light bulb, light bulbs in series, and light bulbs in parallel. Part two of the experiment started by determining the resistance of certain carbon resistors. Then a combination of circuits with resistors and a power supply. Resistors were placed in parallel, series and in a simple circuit. Part three of the lab was to connect resistors in a combination of series and parallel connections and test the measured values of total resistance.