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21-06-2017
Physics

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When a potential difference of 20 V is applied to a given wire, it conducts 0.25 A of current.?

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Аноним Аноним

21-06-2017

Well if the wire has an insane length or is made out of a high resistance material. But, you're probably looking for a resistor : R = U / I ; R = 20V / 0.25A

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