Voltage Divider (Series Resistors) (V1 = V × R1/(R1+R2))

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V1 = V × R1/(R1+R2)

What each symbol means

SymbolWhat it stands for
VTotal voltage across series pair (V)
R_iSeries resistances (Ω)
V_1Drop across R1 (V)

When to use this

Same current through series pair; ohmic; DC steady.