The Characteristics of Five Wires Are Given in the Table

question 48

Multiple Choice

The characteristics of five wires are given in the table.
The gauge is a measure of the diameter of the wire;and #18 corresponds to a diameter of 1.2 × 10^-³ m;and #22 corresponds to a diameter of 6.4 × 10^-⁴ m.The resistivity of iron is 9.7 × 10^-⁸ × m;and the value for copper is 1.72 × 10^-⁸ 11ec9df8_b514_280c_8d20_295ba371075e_TB6393_11 × m.
-Which one of the five wires has the largest resistance?

• A)wire A
• B)wire B
• C)wire C
• D)wire D
• E)wire E

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