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A wire 1.0m long and with cross-sectional area 2.0 x 10...

A wire 1.0m long and with cross-sectional area 2.0 x 10-7 m2 has a resistance of 0.1Ω. Calculate the electrical conductivity of the wire

A.

2.0 x 107Ω1m1

B.

5.0 x 107Ω1m1

C.

2.0 x 108Ω1m1

D.

5.0 x 108Ω1m1

Correct answer is B

K = 1RA=10.1×2×107=5×107