How Long Is a Wire Made from 200 Cm³ of Copper

question 23

Multiple Choice

How long is a wire made from 200 cm³ of copper if its resistance is 8.5 ohms? The resistivity of copper is 1.7 *10^-5 $\Omega$ ·m.

• A) 10 m
• B) 2.2 *10² m
• C) 7.1 m
• D) 3.0 *10³ m

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