Teach Engineering
Changing Fields
Eddy currents, Faraday's Law and Lenz's Law provide the connection between train brakes and and MRI machines in a lesson that asks teachers to provided the material needed so the pupils can understand the properties of changing magnetic...
Curated OER
Science: Lenz's Law and the Spinning Can
Students observe a demonstration of Lenz's Law using an aluminum can and a bar magnet. They hypothesize what will occur as the can is placed in water and the magnet is lowered above it on a string. Students discover the phase shift...