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Circuit
Ohm's law. Leave one of voltage, current, or resistance blank.
Works on your phone and your computer. Nothing to install.

See it in action

What you can do
- Solves the missing one of V, I, or R
- Series and parallel for two resistors
- The unit is written next to the figure
How it works
- 1Fill two of voltage, current, and resistance.
- 2Leave the one you want blank.
- 3For two resistors, use the series or parallel line.
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