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2
questions
2
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0
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Would there be any current if an electric circuit is cooled to absolute zero?
My question is if I got a superconductor and cool it to absolute zero at least measurable by today's tool, it should have no electrical resistance but then would there be any current when there is a ...
5
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5
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Economical ways for Cooling liquid nitrogen
To have some fun with superconductors I am planning to buy them from here.
But it requires me to cool liquid nitrogen to a temperature of 77 degrees Kelvin.
Can some one tell me what kind of ...