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
Correct Answer:

Verified
Correct Answer:
Verified
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