What are popular substances, that changes theirs electrical parameters (like resistance or amount of generated voltage). Please give theirs chemical compounds name. I'm interested in substances, that may be easily bought or common in every house.
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Anonymous2011-04-09 12:20
What? you're going to build your own superconductors?
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Anonymous2011-04-09 12:50
>>2
no, I need this knowledge to build my own photoresistor
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Anonymous2011-04-09 16:07
[q]fdsds[/q]
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Anonymous2011-04-24 11:16
Every substance's resistance to electrical current can change: just change the temperature.