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The Resistance of a 100-Cm Wire of Cross Sectional Area

Question 99

Multiple Choice

The resistance of a 100-cm wire of cross sectional area 2 × 10^-6m² is 400 Ω. What is the resistivity of the material of this wire?

A) 0.8 × 10^-4 Ωm
B) 8 × 10^-4 Ωm
C) 0.8 × 10^-5 Ωm
D) 0.8 × 10^-6 Ωm
E) 8 × 10^-6 Ωm

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