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An ultra-capacitor-based current source for magnetic field demonstration
- Source :
- European Journal of Physics. 31:L9-L12
- Publication Year :
- 2009
- Publisher :
- IOP Publishing, 2009.
-
Abstract
- An ultra-capacitor in parallel with the output of a dc power supply reduces the source resistance and yields an electrical current of up to 900A through a low resistance load. The magnetic field of wires is made visible with iron filings over a large area.
Details
- ISSN :
- 13616404 and 01430807
- Volume :
- 31
- Database :
- OpenAIRE
- Journal :
- European Journal of Physics
- Accession number :
- edsair.doi...........eefa13603fe374a93845c3c62faf8d66