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Answer: A current is established in a gas discharge tube

Fundamentals of Physics Extended | 9th Edition | ISBN: 9780470469088 | Authors: David Halliday ISBN: 9780470469088 189

Solution for problem 76 Chapter 26

Fundamentals of Physics Extended | 9th Edition

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Fundamentals of Physics Extended | 9th Edition | ISBN: 9780470469088 | Authors: David Halliday

Fundamentals of Physics Extended | 9th Edition

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Problem 76

A current is established in a gas discharge tube when a sufficiently high potential difference is applied across the two electrodes in the tube. The gas ionizes; electrons move toward the positive terminal and singly charged positive ions toward the negative terminal. (a) What is the current in a hydrogen discharge tube in which 3.1 X 10 18 electrons and 1.1 X 10 18 protons move past a cross-sectional area of the tube each second? (b) Is the direction of the current density 7 toward or away from the negative terminal?

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• KeyPoints o UnitofforceandmagnitudeismeasuredinNewtons o Direction=+or- o ObjectofInterest:theobjectbeinganalyzed o Makesuretoaskyourself,“Isitfalling” o NetForce:thesumofforces o Equilibrium:netforce=0 o System:objectofinterestandobjectexertingforcesonit o Contactforce:theforcewheretwoobjectsmeet o Forcediagrams:representforcesexertedonobjectofinterest • ForceDiagrams 1. Useadotforobjectofinterest. F(HAND) 2. Labelobjectofinterest.(PoolBall) 3. Listforcesthatotherobjectsexert

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Chapter 26, Problem 76 is Solved
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Textbook: Fundamentals of Physics Extended
Edition: 9
Author: David Halliday
ISBN: 9780470469088

The answer to “A current is established in a gas discharge tube when a sufficiently high potential difference is applied across the two electrodes in the tube. The gas ionizes; electrons move toward the positive terminal and singly charged positive ions toward the negative terminal. (a) What is the current in a hydrogen discharge tube in which 3.1 X 10 18 electrons and 1.1 X 10 18 protons move past a cross-sectional area of the tube each second? (b) Is the direction of the current density 7 toward or away from the negative terminal?” is broken down into a number of easy to follow steps, and 91 words. The full step-by-step solution to problem: 76 from chapter: 26 was answered by , our top Physics solution expert on 12/27/17, 08:15PM. This textbook survival guide was created for the textbook: Fundamentals of Physics Extended, edition: 9. This full solution covers the following key subjects: . This expansive textbook survival guide covers 37 chapters, and 3413 solutions. Since the solution to 76 from 26 chapter was answered, more than 447 students have viewed the full step-by-step answer. Fundamentals of Physics Extended was written by and is associated to the ISBN: 9780470469088.

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Answer: A current is established in a gas discharge tube