Wheatstone Bridge Calculator
Analyze a Wheatstone bridge circuit to find the bridge voltage and determine balance condition.
V
Ω
Ω
Ω
Ω
Bridge Voltage
0.0000 V
Ratio R1/R31.0000
Ratio R2/R41.0000
Bridge Voltage vs Supply Voltage
Wheatstone Bridge Analysis
A Wheatstone bridge measures unknown resistance by balancing two divider legs.
Formula
V_bridge = V_s x [R3/(R1+R3) - R4/(R2+R4)]
Balanced when R1/R3 = R2/R4 (bridge voltage = 0).
Example Calculation
10 V supply, R1=R3=1k, R2=R4=2k.
- 01Left: R3/(R1+R3) = 1000/2000 = 0.5
- 02Right: R4/(R2+R4) = 2000/4000 = 0.5
- 03V_bridge = 10 x (0.5 - 0.5) = 0 V (balanced)
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