A cylinder-shaped carbon resistor is 8 cm in length and its circular cross section has a diameter

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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 4.40 to determine t.
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Mechanics of Materials

ISBN: 978-0495438076

7th edition

Authors: James M. Gere, Barry J. Goodno

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