Quote:
Originally posted by Arvon:
It's been a few thousand years since I had to deal with this, but if you change voltage the current changes.
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Yes, Kaz, what Avron says here is true, the resistance of the wires are always the same the U/I = R is just a way to calculate the value of the resistance if you don't have any other information. so shortly put, R (resistance) is always the same, if the voltage (U) changes it only affects the current (I) and if the current (I) changes, the voltage (U) is likely to change.
Hope this helps, if you have more physics questions, just shoot, I'm in this business
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