Series & Parallel

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Series Circuit

• Components are connected end-to-end in a single path.


• Same current flows through all components.


• Total resistance:

R_total=R₁+R₂+R₃+… 

Parallel Circuit

• Components are connected across the same voltage.


• Current divides among the branches.


• Total resistance:

1/R_total=1/R1+1/R2+1/R3+…