A resistance wire of length 2 m and of uniform cross-sectional area 5.0 x 10-7...

WAEC 1999

A resistance wire of length 2 m and of uniform cross-sectional area 5.0 x 10^-7 m² has a resistance of 2.2 Ω Calculate its resistivity

A. 1.8 x 10^-7Ωm
B. 5.5 x 10^-7Ωm
C. 1.8 x 10^-7Ωm
D. 5.8 x 10⁷Ωm

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Correct Answer: Option B

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A resistance wire of length 2 m and of uniform cross-sectional area 5.0 x 10-7...

Correct Answer: Option B

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