Description: A length of iron wire shows a sudden reduction in length on heating through the bcc-fcc phase transition. A length of iron music wire is suspended between two poles and a current is ...
This can be "seen" in two dimensions if iron filings are sprinkled on a sheet ... The simplest generator consists of just a coil of wire and a bar magnet. When you push the magnet through the ...
Begin by melting a small amount of solder on the iron, then push the tip of the magnet wire a small distance into the molten solder and hold it there for a few moments. The enamel will bubble away ...
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