Appendix B for\\ 4.47 A cylinder-shaped carbon resistor is 8 cm in length and\\ its circular cross section has a diameter $d = 1$ mm.\\ (a) Determine the resistance $R$.\\ (b) To reduce its resistance by 40%, the carbon resistor is\\ coated with a layer of copper of thickness $t$. Use the result\\ of Problem 4.44 to determine $t$.
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To determine the resistance R, we need to use the information given in Problem 4.44. Unfortunately, the problem statement for Problem 4.44 is not provided in the question, so we cannot determine the resistance R directly. Show more…
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