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Bluffinmuffin Bluffinmuffin
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A week ago

A carbon resistor is made of a cylinder of carbon, of length 1.5 cm. If the resistivity of carbon is 3.5 × 10−5Ω·m, and a potential difference of 0.15 V causes a current of 12 A to flow through the resistor, what is the radius of the cylinder?



6.5 mm



12 mm



3.7 mm



1.2 mm

Textbook 
College Physics

College Physics


Edition: 5th
Author:
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nieceyniecey
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A week ago
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Bluffinmuffin Author
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A week ago
Good timing, thanks!
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You make an excellent tutor!
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Thank you, thank you, thank you!
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