EngiRef / Electrical Engineering Formula

Current Divider

Current Divider: Current through one branch of parallel resistors. A DC Circuits formula in electrical engineering. Variables I₁, Iₜₒₜₐₗ, R₁ and R₂, each with…

DC Circuits

Specification

Name
Current Divider
Discipline
electrical
Category
DC Circuits
LaTeX
I_1 = I_{total} \frac{R_2}{R_1 + R_2}
Description
Current through one branch of parallel resistors
Can solve for
I₁, Iₜₒₜₐₗ
Tags
current, divider, resistor, parallel

Variables

Variables for Current Divider
SymbolNameUnitSi Unit
I₁Branch CurrentAA
IₜₒₜₐₗTotal CurrentAA
R₁Branch ResistanceΩΩ
R₂Other ResistanceΩΩ

Common questions

What is the Current Divider formula?
Current through one branch of parallel resistors. It sits under DC Circuits, Electrical engineering in the EngiRef reference.
What do the symbols in the Current Divider formula mean?
In Current Divider, I₁ is branch current in A; Iₜₒₜₐₗ is total current in A; R₁ is branch resistance in Ω; R₂ is other resistance in Ω.