EngiRef / Electrical Engineering Formula

Voltage Divider

Voltage Divider: Output voltage of resistive voltage divider. A DC Circuits formula in electrical engineering. Variables Vₒᵤₜ, Vᵢₙ, R₁ and R₂, each with SI and…

DC Circuits

Specification

Name
Voltage Divider
Discipline
electrical
Category
DC Circuits
LaTeX
V_{out} = V_{in} \frac{R_2}{R_1 + R_2}
Description
Output voltage of resistive voltage divider
Can solve for
Vₒᵤₜ, Vᵢₙ, R₁, R₂
Tags
voltage, divider, resistor, ratio

Variables

Variables for Voltage Divider
SymbolNameUnitSi Unit
VₒᵤₜOutput VoltageVV
VᵢₙInput VoltageVV
R₁Resistance 1ΩΩ
R₂Resistance 2ΩΩ

Common questions

What is the Voltage Divider formula?
Output voltage of resistive voltage divider. It sits under DC Circuits, Electrical engineering in the EngiRef reference.
What do the symbols in the Voltage Divider formula mean?
In Voltage Divider, Vₒᵤₜ is output voltage in V; Vᵢₙ is input voltage in V; R₁ is resistance 1 in Ω; R₂ is resistance 2 in Ω.