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A Metallic Conductor Has a Resistivity of 18 X 10-6

Question 23

Multiple Choice

A metallic conductor has a resistivity of 18 x 10-6 W*m.What is the resistance of a piece that is 30 m long and has a uniform cross sectional area of 3.0 x 10-6 m2?


A) 0.056 W
B) 180 W
C) 160 W
D) 90 W

Correct Answer:

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