Answer question 3 pls
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Hi.
Hope this helps u!
Hope this helps u!
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Given
Lenght[L]= 1m
Radius [r] = 1mm= 10^-3m
resistivity = 1.72x10^-8m
![Resistance=[resistivity] \frac{Length of the wire}{cross sectional area of the wire} \\ \\ Resistance= [1.72* 10^{-8}] \frac{1}{ \pi ( 10^{-3})^{2} } \\ \\ Resistance= \frac{1.72}{ \pi } 10^{-2} \\ \\ Resistance=0.54*10^{-2} \\ \\ Resistance=0.0054ohm](https://tex.z-dn.net/?f=Resistance%3D%5Bresistivity%5D+%5Cfrac%7BLength+of+the+wire%7D%7Bcross+sectional+area+of+the+wire%7D++%5C%5C++%5C%5C+Resistance%3D+%5B1.72%2A+10%5E%7B-8%7D%5D+%5Cfrac%7B1%7D%7B+%5Cpi++%28+10%5E%7B-3%7D%29%5E%7B2%7D+%7D+++%5C%5C++%5C%5C+Resistance%3D+%5Cfrac%7B1.72%7D%7B+%5Cpi+%7D+10%5E%7B-2%7D+++%5C%5C++%5C%5C+Resistance%3D0.54%2A10%5E%7B-2%7D+%5C%5C++%5C%5C+Resistance%3D0.0054ohm+ "Resistance=[resistivity] \frac{Length of the wire}{cross sectional area of the wire} \\ \\ Resistance= [1.72* 10^{-8}] \frac{1}{ \pi ( 10^{-3})^{2} } \\ \\ Resistance= \frac{1.72}{ \pi } 10^{-2} \\ \\ Resistance=0.54*10^{-2} \\ \\ Resistance=0.0054ohm")
Lenght[L]= 1m
Radius [r] = 1mm= 10^-3m
resistivity = 1.72x10^-8m
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