A wire of length lm and radius 0.1 mm has a resistance of 100 Ω. The resistivity of the material is ………………….
A wire of length lm and radius 0.1 mm has a resistance of 100 Ω. The resistivity of the material is ………………….
A) 3.14 × 106 Ω – m
B) 3.14 × 10-6 Ω – m
C) 3.14 Ω – m
D) 3.14 × 108 Ω – m
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