How Long Is a Wire Made from 100 Cm³ of Copper

question 16

Multiple Choice

How long is a wire made from 100 cm³ of copper if its resistance is 8.5 ohms? The resistivity of copper is 1.7 x 10^-5 W·m.

• A)7.1 m
• B)1.7 x 10² m
• C)2.2 x 10² m
• D)3.0 x 10³ m

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