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Calculate the resistance of aluminium wire of length 10m area of cross section is 2*10^-9 and the resistivity 2.63*10^-8 ​

Answer» <html><body><p>d=10km=<a href="https://interviewquestions.tuteehub.com/tag/10-261113" style="font-weight:bold;" target="_blank" title="Click to know more about 10">10</a>×10 3 meterd=2.0mm⇒ radius r = <a href="https://interviewquestions.tuteehub.com/tag/1-256655" style="font-weight:bold;" target="_blank" title="Click to know more about 1">1</a> mm = 1×10 −3 meter.⇒ cross sectional <a href="https://interviewquestions.tuteehub.com/tag/area-13372" style="font-weight:bold;" target="_blank" title="Click to know more about AREA">AREA</a> A=πr 2 =π×10 −6 m 2 So resistance R= <a href="https://interviewquestions.tuteehub.com/tag/apl-363630" style="font-weight:bold;" target="_blank" title="Click to know more about APL">APL</a> =2.7×10 −8 × π×10 −6 10 <a href="https://interviewquestions.tuteehub.com/tag/4-311707" style="font-weight:bold;" target="_blank" title="Click to know more about 4">4</a> Ω⇒R=85.98Ω</p></body></html>


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