of a sample of the material of specified shape and size. For a sample of length 
cross-sectional area 
and resistivity 
[P4.1]
of: a material
is: an intrinsic electrical property of the material. [P4.1]
permits: computation of the resistance, of a sample of the material of specified shape and size. For a sample of length cross-sectional area and resistivity [P4.1]
has as its SI unit: the 
[P4.1]
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