A piece of wire 25mm long and with a rectangular cross section, having a high of 5µm and width of 1mm, has a resistance of 122mΩ. What is the material it is made of?

I got p=2.44x10^-8 ohms

Is that correct, thanks for help :)

Question

A piece of wire 25mm long and with a rectangular cross section, having a high of 5µm and width of 1mm, has a resistance of 122mΩ. What is the material it is made of?

I got p=2.44x10^-8 ohms

Is that correct, thanks for help :)

Ultrilliam · Answer

Looks like this question has been asked before, questioncove.com/updates/577d9628e4b04b985f330066 does this help at all?

Ultrilliam · Answer

@NielTheTyson

sillybilly123 · Answer

yes that looks good as a numerical answer. match it up to a *material* now. i'd guess ***metal-wise*** it's Al, but that's really just guessing yr way out of a badly scripted ques 🤔 Resistivities: http://www.cleanroom.byu.edu/Resistivities.phtml

sillybilly123 · Answer

oh crap :)

gold??   **if it's a pure metal**

note to self: read yer own links 😂