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Author Question: Jadeen says that you can increase the resistance of a copper wire by hammering the wire to make it ... (Read 340 times)

evelyn o bentley

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on: Aug 6, 2020
Jadeen says that you can increase the resistance of a copper wire by hammering the wire to make it narrower and longer. Arnell says that you can increase its resistance by heating the wire. Which one, if either, is correct, and why?

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Arnell, because the conductivity of the wire increases when it is heated.

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Arnell, because the conductivity of the wire decreases when it is heated.

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Jadeen, because the conductivity of a wire is directly proportional to its area and inversely proportional to its length.

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Jadeen, because the conductivity of a copper wire does not increase when it is hammered.

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Both are correct because (b) and (d) are both correct.
Physics for Scientists and Engineers ¦ Serway, Jewett ¦ 9th Edition
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Marked as best answer by evelyn o bentley on Aug 6, 2020

xoxo123

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Reply #1 on: Aug 6, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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Lachy Lazarova

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Reply #2 on: Oct 26, 2020
Thank You


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