Pencil lead is actually carbon. What is the current if a 9.0 V potential difference is applied
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Pencil “lead” is actually carbon. What is the current if a 9.0 V potential difference is applied between the ends of a 0.70 mm-diameter, 6.0-cm-long lead from a mechanical pencil?
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Solve From Table 272 the resistivity of carbon is 35 10 5 m From Equation 2722 the res...View the full answer
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Related Book For
Physics for Scientists and Engineers A Strategic Approach with Modern Physics
ISBN: 978-0133942651
4th edition
Authors: Randall D. Knight
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