The resistance of a 100-cm wire of cross sectional area 2 × $10^{ - 6}$ $m ^ { 2 }$ is 400 Ω.What is the resistivity of the material from which this wire is made?
A)0.80 × $10^{ - 4}$ Ω ∙ m
B)8.0 × $10^{ - 4}$ Ω ∙ m
C)0.80 × $10 ^{- 5}$ Ω ∙ m
D)0.80 × $10 ^{- 6}$ Ω ∙ m
E)8.0 × $10 ^{- 6}$ Ωv

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The Answer of The resistance of a 100-cm wire of cross sectional area 2 × $10^{ - 6}$ $m ^ { 2 }$ is 400 Ω.What is the resistivity of the material from which this wire is made?
A)0.80 × $10^{ - 4}$ Ω ∙ m
B)8.0 × $10^{ - 4}$ Ω ∙ m
C)0.80 × $10 ^{- 5}$ Ω ∙ m
D)0.80 × $10 ^{- 6}$ Ω ∙ m
E)8.0 × $10 ^{- 6}$ Ωv

The Resistance of a 100-Cm Wire of Cross Sectional Area 10−610^{ - 6}10−6

The Resistance of a 100-Cm Wire of Cross Sectional Area $10^{ - 6}$