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jennychan12
 3 years ago
Circuits: A certain material has a voltage of 120 V across 10 A and the length of the wire is 25 m, while the diameter is 5 mm. What it its resistivity?
jennychan12
 3 years ago
Circuits: A certain material has a voltage of 120 V across 10 A and the length of the wire is 25 m, while the diameter is 5 mm. What it its resistivity?

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jennychan12
 3 years ago
Best ResponseYou've already chosen the best response.1\[V = IR\] \[P = IV\] \[R = \frac{ \delta L }{ A }\] i used the first one (R=V/I) is that right?

jennychan12
 3 years ago
Best ResponseYou've already chosen the best response.1and you're not given the constant.

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0so first find the resistance

jennychan12
 3 years ago
Best ResponseYou've already chosen the best response.1yeah i got that 12 ohms

jennychan12
 3 years ago
Best ResponseYou've already chosen the best response.1using the first formula right?

jennychan12
 3 years ago
Best ResponseYou've already chosen the best response.1that's it? but what are the length and diameter given for?

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0once you find R , use that and given diameter and length to find resistivity which is \[\delta\]

jennychan12
 3 years ago
Best ResponseYou've already chosen the best response.1_ grr. i thought the R was the resistivity.. fdjsalkfhdjkshfklhg got that question wrong on the quiz >:(

jennychan12
 3 years ago
Best ResponseYou've already chosen the best response.1oh okay. my teacher didn't explain clearly. :(

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0well, you know now, will help you in future exam
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