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5. How many 10 k2 resistor should you connect in parallel to have a total resistance of 2.5 kQ when the parallel combination of those resistors is connected in series with a 1.5 kQ resistor? * O : 10 O : 12 O :4 O :7 6. Based on this chart, what material was used to manufacture a wire if its resistance is 4.46 milliohm when the length of the wire is 50m and has a radius of 10mm? * TABLE 30.2 Resistivity and conductivity of conducting materials Resistivity (N m) Conductivity (N-'m-) Material Aluminum 2.8 X 10-8 3.5 x 10 Сорper 1.7 X 10* 6.0 x 10 Gold 2.4 X 108 4.1 X 107 Iron 9.7 X 108 1.0 x 10 Silver 1.6 X 108 6.2 x 10 Tungsten 5.6 X 10 1.8 x 107 Nichrome" 1.5 X 106 6.7 x 10 Carbon 3.5 x 105 2.9 x 10 "Nickel-chromium alloy used for heating wires. • Silver • Aluminum • Gold • Copper

5. How many 10 k2 resistor should you connect in parallel to have a total resistance of 2.5 kQ when the parallel combination of those resistors is connected in series with a 1.5 kQ resistor? * O : 10 O : 12 O :4 O :7 6. Based on this chart, what material was used to manufacture a wire if its resistance is 4.46 milliohm when the length of the wire is 50m and has a radius of 10mm? * TABLE 30.2 Resistivity and conductivity of conducting materials Resistivity (N m) Conductivity (N-'m-) Material Aluminum 2.8 X 10-8 3.5 x 10 Сорper 1.7 X 10* 6.0 x 10 Gold 2.4 X 108 4.1 X 107 Iron 9.7 X 108 1.0 x 10 Silver 1.6 X 108 6.2 x 10 Tungsten 5.6 X 10 1.8 x 107 Nichrome" 1.5 X 106 6.7 x 10 Carbon 3.5 x 105 2.9 x 10 "Nickel-chromium alloy used for heating wires. • Silver • Aluminum • Gold • Copper

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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5. How many 10 k2 resistor should you connect in parallel to have a total resistance of 2.5 k2 when the parallel combination of those resistors is connected in series with a 1.5 kQ resistor? * • 10 • 12 • 4 O :7 6. Based on this chart, what material was used to manufacture a wire if its resistance is 4.46 milliohm when the length of the wire is 50m and has a radius of 10mm? * TABLE 30.2 Resistivity and conductivity of conducting materials Resistivity (2 m) Conductivity (N-'m-) Material Aluminum 2.8 X 10-8 3.5 x 10" Copper 1.7 X 10-8 6.0 x 107 Gold 2.4 X 108 4.1 x 10 Iron 9.7 X 10-8 1.0 x 107 Silver 1.6 X 108 6.2 x 10' Tungsten 5.6 X 108 1.8 x 107 Nichrome* 1.5 x 10-6 6.7 x 10 Carbon 3.5 X 10-5 2.9 x 10 *Nickel-chromium alloy used for heating wires. • Silver • Aluminum • Gold • Copper
Transcribed Image Text:5. How many 10 k2 resistor should you connect in parallel to have a total resistance of 2.5 k2 when the parallel combination of those resistors is connected in series with a 1.5 kQ resistor? * • 10 • 12 • 4 O :7 6. Based on this chart, what material was used to manufacture a wire if its resistance is 4.46 milliohm when the length of the wire is 50m and has a radius of 10mm? * TABLE 30.2 Resistivity and conductivity of conducting materials Resistivity (2 m) Conductivity (N-'m-) Material Aluminum 2.8 X 10-8 3.5 x 10" Copper 1.7 X 10-8 6.0 x 107 Gold 2.4 X 108 4.1 x 10 Iron 9.7 X 10-8 1.0 x 107 Silver 1.6 X 108 6.2 x 10' Tungsten 5.6 X 108 1.8 x 107 Nichrome* 1.5 x 10-6 6.7 x 10 Carbon 3.5 X 10-5 2.9 x 10 *Nickel-chromium alloy used for heating wires. • Silver • Aluminum • Gold • Copper
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