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Solution - Why Should Gases Be Insulators at Ordinary Pressures and Start Conducting at Very Low Pressures? - CBSE (Commerce) Class 12 - Physics

Question

Answer the following questions:

Why should gases be insulators at ordinary pressures and start conducting at very low pressures?

Solution

At atmospheric pressure, the ions of gases have no chance of reaching their respective electrons because of collision and recombination with other gas molecules. Hence, gases are insulators at atmospheric pressure. At low pressures, ions have a chance of reaching their respective electrodes and constitute a current. Hence, they conduct electricity at these pressures.

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APPEARS IN

 NCERT Physics Textbook for Class 12 Part 2 (with solutions)
Chapter 11: Dual Nature of Radiation and Matter
Q: 37.3 | Page no. 411

Video TutorialsVIEW ALL [1]

Reference Material

Solution for question: Why Should Gases Be Insulators at Ordinary Pressures and Start Conducting at Very Low Pressures? concept: null - Electron Emission. For the courses CBSE (Commerce), CBSE (Arts), CBSE (Science)
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