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Resources
This web page, authored and curated by David P. Stern, provides instructions for building an electrophorus from common household items. This type of capacitor was invented by Volta and may have been used to amplify...
This site contains an activity on electrostatics. A styrofoam plate is rubbed with wool to give it a large electric charge that can be transferred to an aluminum pie pan. This electrophorus, or change carrier produces...
This activity demonstrates the magnetic field induced by a current-carrying wire. A group of compasses are arranged around the wire indicating when a magnetic field stronger than the Earth’s field is produced. ...
This activity is concerned with the magnetic field generated by a current-carrying wire. Two current-carrying wires are placed near each other as forces push them apart or pull them together. Materials needed,...
This site from the Exploratorium provides a simple demonstration of the interaction between a moving magnet and its induced electromagnetic field. As the magnet is dropped down a metallic tube, it induces eddy currents...
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