1.5 x 10-4m2
1.0 x 10-4m2
2.7 x 10-5m2
7.3 x 10-6m2
Correct answer is B
Resistivity = Resiatance x Arealength
1.6 x 10-6 = 15×Area0.27
Area = 1.0 x 10-4m2
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