Thursday, August 16, 2012

Where does electromagnetic potential energy come from?

Most well-liked prospective energy of magnetic field in Utilised By Thousands Worldwide:
Query by simvig: Where does electromagnetic prospective energy come from?
Here's a little thought experiment. Suppose you have an electromagnet that's turned off. You place a piece of iron close to it and turn it on. The iron will fly to the magnet. That signifies that the piece of iron obtains kinetic energy which indicates it has obtained potential energy within the magnetic field. Now I can only assume

Tesla's Generator

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