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Basic Circuit Analysis
Combination Series-Parallel Circuits

Section 3-2 Current in Combination Circuits


 

 

 

 

Example

R1 is NOT connected in series with R2. R1 is connected in series with the combined resistances of R2 and R3.

So this is incorrect: R1 + R2

This is  correct: R1 + R2 || R3

More Examples

 

 

 

 

Series-Parallel Resistance

RT = R1 + R2 || R3

 

 

RT = R1 || R2 + R3 || R4

Parallel-Series Resistance

 

RT = R1 || (R2 + R3)

RT = (R1 + R2) || (R3 + R4)

 

 

 

RT = R1 || (R2 + R3 || R4)

 

 

David L. Heiserman, Editor

Copyright   SweetHaven Publishing Services
All Rights Reserved

Revised: June 06, 2015