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Resistivity = ???

Guest Terabyte
Guest Terabyte
in Homework Help

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Hi...

 

Resisitivity of a material depends on length... cross sectional area.... electrical resistance....

 

am i right?

 

what's the equation?

 

Thanks Alot :D:D

R = rho * l / A

where rho is the specific resitance (resistivity? I don´t know the english term) of the material used, l is the length of your wire and A it´s cross-section.

Thanks :)

no brackets or anything no?

You can put brackets wherever you want, it won´t change anything on the equation.

R = rho * l / A

where rho is the specific resitance (resistivity? I don´t know the english term) of the material used' date=' l is the length of your wire and A it´s cross-section.[/quote']

 

rho is the resistivity

R is the resistance

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