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he figure shows a Geiger counter, a device used to detect ionizing radiation (radiation that causes ionization of atoms). The counter consists of a thin, positively charged central wire surrounded by a concentric, circular, conducting cylindrical shell with an equal egative charge. Thus, a strong radial electric field is set up inside the shell. The shell contains a low-pressure inert gas. A particle of adiation entering the device through the shell wall ionizes a few of the gas atoms. The resulting free electrons (e) are drawn to the positive wire. However, the electric field is so intense that, between collisions with gas atoms, the free electrons gain energy sufficient to ionize these atoms also. More free electrons are thereby created, and the process is repeated until the electrons reach the wire. The resulting "avalanche" of electrons is collected by the wire, generating a signal that is used to record the passage of the original particle of radiation. Suppose the radius of the central wire is 22 µm, the inner radius of the shell 1.6 cm, and the length of the shell 18 cm. If the electric field at the shell's inner wall is 3.4 x 104 N/C, what is the total positive charge on the central wire? Signal - Particle

he figure shows a Geiger counter, a device used to detect ionizing radiation (radiation that causes ionization of atoms). The counter consists of a thin, positively charged central wire surrounded by a concentric, circular, conducting cylindrical shell with an equal egative charge. Thus, a strong radial electric field is set up inside the shell. The shell contains a low-pressure inert gas. A particle of adiation entering the device through the shell wall ionizes a few of the gas atoms. The resulting free electrons (e) are drawn to the positive wire. However, the electric field is so intense that, between collisions with gas atoms, the free electrons gain energy sufficient to ionize these atoms also. More free electrons are thereby created, and the process is repeated until the electrons reach the wire. The resulting "avalanche" of electrons is collected by the wire, generating a signal that is used to record the passage of the original particle of radiation. Suppose the radius of the central wire is 22 µm, the inner radius of the shell 1.6 cm, and the length of the shell 18 cm. If the electric field at the shell's inner wall is 3.4 x 104 N/C, what is the total positive charge on the central wire? Signal - Particle

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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The figure shows a Geiger counter, a device used to detect ionizing radiation (radiation that causes ionization of atoms). The counter consists of a thin, positively charged central wire surrounded by a concentric, circular, conducting cylindrical shell with an equal negative charge. Thus, a strong radial electric field is set up inside the shell. The shell contains a low-pressure inert gas. A particle of radiation entering the device through the shell wall ionizes a few of the gas atoms. The resulting free electrons (e) are drawn to the positive wire. However, the electric field is so intense that, between collisions with gas atoms, the free electrons gain energy sufficient to ionize these atoms also. More free electrons are thereby created, and the process is repeated until the electrons reach the wire. The resulting "avalanche" of electrons is collected by the wire, generating a signal that is used to record the passage of the original particle of radiation. Suppose the radius of the central wire is 22 µm, the inner radius of the shell 1.6 cm, and the length of the shell 18 cm. If the electric field at the shell's inner wall is 3.4 x 104 N/C, what is the total positive charge on the central wire? - Particle Number il ! Charged wire Charged cylindrical shell Units с Signal
Transcribed Image Text:The figure shows a Geiger counter, a device used to detect ionizing radiation (radiation that causes ionization of atoms). The counter consists of a thin, positively charged central wire surrounded by a concentric, circular, conducting cylindrical shell with an equal negative charge. Thus, a strong radial electric field is set up inside the shell. The shell contains a low-pressure inert gas. A particle of radiation entering the device through the shell wall ionizes a few of the gas atoms. The resulting free electrons (e) are drawn to the positive wire. However, the electric field is so intense that, between collisions with gas atoms, the free electrons gain energy sufficient to ionize these atoms also. More free electrons are thereby created, and the process is repeated until the electrons reach the wire. The resulting "avalanche" of electrons is collected by the wire, generating a signal that is used to record the passage of the original particle of radiation. Suppose the radius of the central wire is 22 µm, the inner radius of the shell 1.6 cm, and the length of the shell 18 cm. If the electric field at the shell's inner wall is 3.4 x 104 N/C, what is the total positive charge on the central wire? - Particle Number il ! Charged wire Charged cylindrical shell Units с Signal
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