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Ohm's law

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U V
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Resistance Voltage Current Power
What to keep constant while you adjust other values

This is a simple Ohm's law/Joule's first law calculator.

You can change any value. After changing a number, press Enter to recalculate. The other values will be updated.

The values can be locked, so that they do not change when you adjust other values.

Click the menu button to reset to default settings or save/load your current values.

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