Lenz's law
Ley de Lenz
- Date
- 1834 · confidence high
- Place
- Saint Petersburg, Russia
- Credited to
- Heinrich Lenz
- Field
- Cosmos & Earth
What was discovered
Lenz formulated the rule that determines the direction of the current induced by a changing magnetic field: it always opposes the cause that generates it, in analogy with Newton's third law.
What it led to
- Design of generators and electric motors with directional criteria
- Understanding of Foucault (eddy) currents