Principles of Physics 11th ISV Edition · Current and Resistance · Problem 27
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Walker, Halliday & Resnick — Current and Resistance: Problem 27
27 A block in the shape of a rectangular solid has a cross-sectional area of \(2.70\text{ cm}^2\) across its width, a front-to-rear length of \(11.7\text{ cm}\), and a resistance of \(935\text{ }\Omega\). The block's material contains \(5.33 \times 10^{22}\) conduction electrons/\(\text{m}^3\). A potential difference of \(35.8\text{ V}\) is maintained between its front and rear faces. (a) What is the current in the block? (b) If the current density is uniform, what is its magnitude? What are (c) the drift velocity of the conduction electrons and (d) the magnitude of the electric field in the block?
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주어진 조건: 27 A, , a, . A
구하는 것: (a) What is the current in the block?; (b) If the current density is uniform; (c) the drift velocity of the conduction electrons and
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Principles of Physics · 11th ISV Edition
저자: Walker, Halliday & Resnick
출판사: Wiley
단원: Current and Resistance