# BROOKDALE ELEC 103 - Series Circuits (14 pages)

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## Series Circuits

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## Series Circuits

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Lecture Notes

Pages:
14
School:
Brookdale Community College
Course:
Elec 103 - Elec. Skills and Techniques
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Series Circuits 23 July 2005 ELEC 103 Series Circuits Objective At the conclusion of this presentation the student will Identify a series circuit Apply Ohm s law in series circuits Determine and identify ground in a circuit Determine total series resistance Determine the current in a series circuit Determine the total effect of voltage sources in series Apply Kirchhoff s voltage law Use a series circuit as a voltage divider Determine power in a series circuit Apply the proper prefix for units of measurement 23 July 2005 Professor Andrew H Andersen Series Circuits 2 1 Series Circuits 23 July 2005 Series Circuit Characteristics 1 The current is the same everywhere in the circuit 2 Each component has an individual Ohm s law Voltage Drop 3 5 This means that I can calculate the voltage using Ohm s Law if I know the current through the component and the resistance Kirchoff s Voltage Law KVL applies 4 This means that wherever I try to measure the current I will obtain the same reading This means that the sum of all the voltage sources is equal to the sum of all the voltage drops or VS V1 V2 V3 VN The total resistance in the circuit is equal to the sum of the individual resistances RT R1 R2 R3 RN The sum of the power supplied by the source is equal to the sum of the power dissipated in the components PT P1 P2 P3 PN 23 July 2005 Series Circuits 3 Current in a Series Circuit The current in a series circuit is the same through all points The current through each resistor in a series circuit is the same as the current through all the other resistors that are in series with it Current entering any point in a series circuit is the same as the current leaving that point 23 July 2005 Professor Andrew H Andersen Series Circuits 4 2 Series Circuits 23 July 2005 Current in a Series Circuit Current in a series circuit is the same everywhere 23 July 2005 Series Circuits 5 Measuring Current in a Series Circuit In a series circuit the location of the ammeter does not matter 23 July 2005

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