A metallic conductor has a resistivity of 18 × 10−6 Ω⋅m.What is the resistance of a piece that is 15 m long and has a uniform cross sectional area of 6.0 × 10−6 m2?
A) 0.056 Ω
B) 45 Ω
C) 90 Ω
D) 160 Ω
Correct Answer:
Verified
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