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5 September, 05:50

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

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  1. 5 September, 07:56
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    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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