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8. A rectangular solid made of carbon has sides of lengths 1.0 cm, 2.0 cm, and 4.0 cm, lying along the x, y, and z axes, respectively. Determine the resistance for current through the solid in (a) the x direction, (b) the y direction, and (c) the z direction. Assume the resistivity is p = 3.0 X 105 Q.m. (Ans. a) 3.8x104 2, b) 1.5x10-3 Q, c) 6x10-3 ) 4.0 cm 2.0 cm %3D 10 cm

8. A rectangular solid made of carbon has sides of lengths 1.0 cm, 2.0 cm, and 4.0 cm, lying along the x, y, and z axes, respectively. Determine the resistance for current through the solid in (a) the x direction, (b) the y direction, and (c) the z direction. Assume the resistivity is p = 3.0 X 105 Q.m. (Ans. a) 3.8x104 2, b) 1.5x10-3 Q, c) 6x10-3 ) 4.0 cm 2.0 cm %3D 10 cm

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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resi ance, and (b) how many joules (Ans. 20 Ω, 430 J of energy does the battery lose in a minute? 6. An electric heater is constructed by applying a potential difference of 110 V across a wire with a resistance of 5 2. What is the power rating of the heater? (Ans. 2.4 kW) 7. What is the resistance of a 4.5-m length of copper wire 1.5 mm in diameter? (Ans. 4.3x10² Q) A rectangular solid made of carbon has sides of lengths 1.0 cm, 2.0 cm, and 4.0 cm, lying along the x, y, and z axes, respectively. Determine the resistance for current through the solid in (a) the x direction, (b) the y direction, and (c) the z direction. Assume the resistivity 4,0cm 2.0 cm is p-3.0 X 10 Ω.m. (Ans. a) 3.8x10+N, b) 1.5x10-³ Q, c) 6x10-³ Q) 10 cm 8.
Transcribed Image Text:resi ance, and (b) how many joules (Ans. 20 Ω, 430 J of energy does the battery lose in a minute? 6. An electric heater is constructed by applying a potential difference of 110 V across a wire with a resistance of 5 2. What is the power rating of the heater? (Ans. 2.4 kW) 7. What is the resistance of a 4.5-m length of copper wire 1.5 mm in diameter? (Ans. 4.3x10² Q) A rectangular solid made of carbon has sides of lengths 1.0 cm, 2.0 cm, and 4.0 cm, lying along the x, y, and z axes, respectively. Determine the resistance for current through the solid in (a) the x direction, (b) the y direction, and (c) the z direction. Assume the resistivity 4,0cm 2.0 cm is p-3.0 X 10 Ω.m. (Ans. a) 3.8x10+N, b) 1.5x10-³ Q, c) 6x10-³ Q) 10 cm 8.
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