What Is the Resistance of a Wire Made of a Material

question 18

Multiple Choice

What is the resistance of a wire made of a material with a resistivity of 3.2 × 10−⁸ Ω ⋅ m if its length is 2.5 m and its diameter is 0.50 mm?

• A) 0.16 Ω
• B) 0.10 Ω
• C) 1.28 Ω
• D) 0.41 Ω
• E) 0.81 Ω

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Definitions:

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