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6. A0.500-meter length of wire with a cross-sectional area of 3.14 x 10 -6 meters squared is found to have a resistance of 2.53 x 10-3 ohms. According to the resistivity chart, from what material is the wire made?

6. A0.500-meter length of wire with a cross-sectional area of 3.14 x 10 -6 meters squared is found to have a resistance of 2.53 x 10-3 ohms. According to the resistivity chart, from what material is the wire made?

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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6. A 0.500-meter length of wire with a cross-sectional area of 3.14 x 10-6 meters squared is found to have a resistance of 2.53 x 10-3 ohms. According to the resistivity chart, from what material is the wire made? 7. A flashlight lamp connected to a battery that provides 1.4 V draws a current of 0.10A. What electric power is used by the lamp? 8. The label on a toaster reads 800 W at 120 V. How much current does it draw? 9. When a light bulb is connected to a 3 V battery, a current of 0.2 A passes through the bulb filament. What is the resistance of the filament? 10. Calculate the effective resistance of a pocket calculator that has a 1.35-V battery and through which 0.200 mA flows.
Transcribed Image Text:6. A 0.500-meter length of wire with a cross-sectional area of 3.14 x 10-6 meters squared is found to have a resistance of 2.53 x 10-3 ohms. According to the resistivity chart, from what material is the wire made? 7. A flashlight lamp connected to a battery that provides 1.4 V draws a current of 0.10A. What electric power is used by the lamp? 8. The label on a toaster reads 800 W at 120 V. How much current does it draw? 9. When a light bulb is connected to a 3 V battery, a current of 0.2 A passes through the bulb filament. What is the resistance of the filament? 10. Calculate the effective resistance of a pocket calculator that has a 1.35-V battery and through which 0.200 mA flows.
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