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Home Q & A Board Science-Related Homework Help Physics
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Chery Chery
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7 years ago
A metal bar is 20 cm long and has a rectangular cross-section measuring 1.0 cm × 2.0 cm.  What is the voltage across its length when there is a 4000-A current through it?  The resistivity of the metal is 1.68 × 10-8 Ω ∙ m.
A) 0.67 V
B) 0.34 V
C) 0.067 V
D) 0.034 V
Textbook 
College Physics

College Physics


Edition: 1st
Authors:
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slicealemonslicealemon
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7 years ago
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Chery Author
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#2
7 years ago
Looked all over the internet for this, thank you for answering correctly
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