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Jump to first page Calculating Resistance in Series and Parallel Circuits Basic Formulas for Rapid Computation of Circuit Resistance.

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Presentation on theme: "Jump to first page Calculating Resistance in Series and Parallel Circuits Basic Formulas for Rapid Computation of Circuit Resistance."— Presentation transcript:

1 Jump to first page Calculating Resistance in Series and Parallel Circuits Basic Formulas for Rapid Computation of Circuit Resistance

2 Jump to first page Introduction n Informational lecture by Fred Baker n Electronics Instructor for U.S. Navy

3 Jump to first page Topics of Discussion n Resistance totaling values, dependent on the circuit structure n Knowing how to calculate resistance depending on circuit structure n Understanding these basics can save valuable time and effort

4 Jump to first page Resistance Rules for Series Circuits n Series circuits are always one-for- one additive u Rt = R1 + R2 + R3 + Rn

5 Jump to first page Series Circuit n Sample of a Series Circuit layout R1 R2 R3

6 Jump to first page Solving for Series Resistance n Calculate the resistance using the series formula: u Rt = R1 + R2 + R3 + Rn  Rt = 20  + 30  + 50  R1=  R2=  R3= 

7 Jump to first page Resistance Rules for Parallel Resistance Circuit n Parallel circuits are reciprocally additive u Rt = R1 R2 R3

8 Jump to first page Parallel Circuit n Sample of a Parallel Circuit layout R1=20  R2=30  R3=50 

9 Jump to first page Solving for Parallel Resistance n Calculate using reciprocal formula: u Rt = 1 / 1/R1 + 1/R2 + 1/Rn  Rt = 1/1/20  + 1/30  + 1/50   Rt = 1/0.05     Rt = 1/103  R1=20  R2=30  R3=50 

10 Jump to first page Summary n Determine the type of circuit layout you are working with n Apply the correct formula n Verify answer by double-checking math


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