⚡ Electrical Calculators · Module 02
VOLTAGE
DIVIDER
V
out
= V
in
× R₂ / (R₁ + R₂)
Circuit Schematic
Vᵢₙ
—
R₁
—
Vₒᵤₜ
—
R₂
—
I
Vout = Vin·R₂/(R₁+R₂)
Output Voltage
I = Vin / (R₁+R₂)
Divider Current
R₂ = R₁·Vout/(Vin−Vout)
Solve for R₂
Solve Vout
Solve R₂
Solve R₁
Input Parameters
V
Input Voltage (Vᵢₙ)
V
mV
kV
R₁
Resistor 1
Ω
kΩ
MΩ
R₂
Resistor 2
Ω
kΩ
MΩ
V
Desired Vₒᵤₜ
V
mV
CALCULATE
OUTPUT RESULTS
VOUT / VIN RATIO
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