lab 2 series and parallel

lab 2 series and parallel - EE 300 Experiment #2 Series and...

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EE 300 Experiment #2 Series and Parallel Resistive Circuits Scott Finnesand Lab Partner: Garet Miller Instructor: Barun Ranjikar
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Objective: The objective of this experiment is to study resistors connected in series, parallel, and series-parallel network topology. Both pre-lab, theoretical analysis and experimental results will be used to examine the circuits. Introduction: In this lab resistors connected in series, parallel, and combinations of the two will be looked at. The formula for finding the equivalent resistance in series is R eq =R1+R2+R3. Also when resistors are connected in series, the same current passes through each resistor. From this the voltage drop across each resistor can be determined. The formula for determining the voltage across each resistor is eq S R R V V 1 1 = . In part two of the experiment, resistors in parallel are examined. The equivalent resistance for resistors in parallel can be found using 1 3 1 2 1 1 1 - + + = R R R R eq . When resistors are in parallel, the same resistors have the same voltage drop across each, but the current differs for each resistor. The current across each resistor can be found using the following equation: 1 1 R R I I eq s = . When considering mix series and parallel combinations these principles can be applied. Procedures : Resistors in Series 1. Connect the three resistors of figure 1 together in series and measure the equivalent resistance using a multi-meter before the voltage source is connected to the circuit. 2. Connect the voltage supply to the resistance network. Set the voltage supply to 15V 3. Measure the voltages V1, V2, V3, and VS and the current IS 4. Open-circuit the resistor R3 and measure the voltage V3 and the current Is. 5. Short circuit the resistor R3 and measure the voltage V3 and the current Is. Resistors in Parallel 1. Connect the three resistors of Figure 2 together in parallel and measure the equivalent resistance before the voltage source is connected to the circuit. 2.
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This note was uploaded on 04/15/2008 for the course EE EE 300 taught by Professor Davoux during the Spring '08 term at SD State.

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lab 2 series and parallel - EE 300 Experiment #2 Series and...

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