Lenz's law is a fundamental law of electromagnetism that states that the direction of an induced current in a conductor will always be such that it opposes the change in magnetic flux that caused it.
Lenz's law can be demonstrated using a simple experiment, where a magnet is dropped through a conducting loop. The changing magnetic field from the magnet induces a current in the loop, which in turn creates a magnetic field that opposes the motion of the magnet, causing it to slow down and eventually come to a stop.
Lenz's law has many practical applications, including generators, motors, transformers, and electromagnetic braking systems. It is also the basis for electromagnetic induction, which is used in wireless charging and power generation.
Lenz's law is a consequence of Faraday's law of electromagnetic induction. Faraday's law states that a changing magnetic field induces an electric field, which in turn induces a current. Lenz's law specifies the direction of this induced current.
No, Lenz's law is a fundamental law of electromagnetism and has been experimentally verified to hold true in all cases. Violation of Lenz's law would imply a violation of conservation of energy, which is a fundamental principle in physics.