Ohm's law — Science definition
The relationship V = IR linking voltage, current, and resistance for a resistor at constant temperature.
Where it is taught
- Circuits & Ohm's Law — Electricity, Magnetism & Circuits, Physics & Environmental Science, Grade 12
In use
The three quantities from the last lesson lock together in the most useful equation in all of electronics, Ohm's law: V = I × R.
Circuits & Ohm's Law