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Lab 03 Basic Circuits Laboratory IVC 2009

# Lab 03 Basic Circuits Laboratory IVC 2009 - Laboratory...

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Laboratory Experiment Basic Circuits Laboratory Objectives: To understand series and parallel circuit connections and how to connect meters for reading current and voltage. Introduction: In a series circuit there is only one path for the flow of charge or current as it leaves the power supply and travels through the circuit. Therefore all of the current from the power supply travels through each circuit component (lamps, resistors, etc.) and returns back to the power supply. pg 1 Basic Circuits

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pg 2 Basic Circuits Picture of an actual series circuit. Schematic of the same series circuit and power supply, where lights are considered to be resistors. An animated series circuit where electrical energy is shown as gravitational potential energy. The greater the change in height, the more energy is used or the more work is done. Power Source Resistor
pg 3 Basic Circuits In a parallel circuit there are two (or more) paths for the flow of charge through the circuit. When the current reaches the branch in the circuit, it splits. Some current travels through one branch and the remainder of current through the other branch. Resistor Power Source

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pg 4 Basic Circuits How to place electrical measuring devices. An ammeter is always connected in series with the circuit component you are measuring. A voltmeter is always placed in parallel with the circuit component you are measuring.
pg 5 Basic Circuits Procedure : As you change circuits throughout the experiment, physically follow your connections to see if current flow is going the way you intend. Part of the purpose of this lab is to learn to check circuits.

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