Potential Divider
Output voltage from a potential divider
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The output voltage from a potential divider can be calculated as
Vout = Vin R2 / (R1 + R2) (1)
where
Vout = output voltage (V)
R = resistance (Ohms, Ω)
Vin = input voltage (V)
Example - Potential Divider
The output voltage from a potential divider with two resistors R1 = 10 Ohms and R2 = 20 Ohms, and input voltage 12 V can be calculated as
Vout = (12 V) (20 Ω) / ((10 Ω) + (20 Ω))
= 8 (V)
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