1.

Resistance of a 200 meter long cooper wire is equal to 20 ohm. Its diameter is 0.44mm. Its specific resistance in ohm-m is equal to ?

A. 1.520 * 10<sup>-8</sup>
B. 1.520 * 10<sup>-7</sup>
C. 1.520 * 10<sup>-6</sup>
D. 1.520 * 10<sup>-5</sup>
Answer» B. 1.520 * 10<sup>-7</sup>


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