Ohm's Law

Source status: Attributed to Georg Simon Ohm

The current through a conductor is proportional to the voltage across it and inversely proportional to its resistance (V = IR).

- Georg Simon Ohm

Category: Murphy's Miscellaneous Laws

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Corollaries

3 consequences of this law

Heat grows with the square of the current (P = I²R), so doubling the load gives four times the smoke.

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As resistance approaches zero, current is limited only by the source, which is when things burn.

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Resistance lowers the flow, so the harder you push, the harder the system pushes back.

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This law belongs with Murphy's Miscellaneous Laws, where small assumptions, timing, and system complexity tend to turn into memorable failures.

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