If a metal wire of length 'l' and cross section area 'A' has resistance 'R', then the resistivity of the material of the wire is equal to?

If a metal wire of length 'l' and cross section area 'A' has resistanc

1.	If a metal wire of length 'l' and cross section area 'A' has resistance 'R', then the resistivity of the material of the wire is equal to?
A.	RA/I
B.	RI/A
C.	IA/R
D.	A/(IR)
Answer» B. RI/A

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If a metal wire of length 'l' and cross section area 'A' has resistance 'R', then the resistivity of the material of the wire is equal to?

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