A Wire (Length = 2 $\Omega$ What Is the Resistivity of the Material Used to Make

question 9

Multiple Choice

A wire (length = 2.0 m,diameter = 1.0 mm) has a resistance of 0.45 $\Omega$ .What is the resistivity of the material used to make the wire?

• A)5.6*10^{- 7} \(\Omega\) . m
• B)1.2 *10 ^{- 7} \(\Omega\). m
• C)1.8*10 ^{- 7} \(\Omega\) . m
• D)2.3 *10^{- 7} \(\Omega\) . m
• E)7.1* 10 ^{- 7} \(\Omega\) . m