2. The permittivity of the Earth's ionosphere can be described by an unmagnetized cold plasma model: 5(0) = 8,[1-2], 0)² = N₂² @ mɛ If N=10¹2 electrons /m³, e=1.6 x10-19 Coulombs, m = 9.1x10-³1 kg, (a) What permittivity does an AM radio signal (f=1MHz) see? (b) What permittivity does an FM radio signal (f=100MHz) see? (c) From the numbers in (a) and (b), what do you think happens to an AM wave and an FM wave as they hit the ionosphere? Explain.
2. The permittivity of the Earth's ionosphere can be described by an unmagnetized cold plasma model: 5(0) = 8,[1-2], 0)² = N₂² @ mɛ If N=10¹2 electrons /m³, e=1.6 x10-19 Coulombs, m = 9.1x10-³1 kg, (a) What permittivity does an AM radio signal (f=1MHz) see? (b) What permittivity does an FM radio signal (f=100MHz) see? (c) From the numbers in (a) and (b), what do you think happens to an AM wave and an FM wave as they hit the ionosphere? Explain.
Introductory Circuit Analysis (13th Edition)
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Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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![2. The permittivity of the Earth's ionosphere can be described by an unmagnetized cold
plasma model:
8(0) = 5,[1-3], 0)² = Ne²
mɛ
If N=10¹2 electrons /m³, e=1.6 x10-¹9 Coulombs, m = 9.1x10-31 kg,
(a) What permittivity does an AM radio signal (f=1MHz) see?
(b) What permittivity does an FM radio signal (f=100MHz) see?
(c) From the numbers in (a) and (b), what do you think happens to an AM
wave and an FM wave as they hit the ionosphere? Explain.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe36fb7f7-6381-4add-b52b-9085dfd27844%2Fd1558d67-a08d-47ae-af3c-aabccd62ff57%2Fyv9cr0r_processed.jpeg&w=3840&q=75)
Transcribed Image Text:2. The permittivity of the Earth's ionosphere can be described by an unmagnetized cold
plasma model:
8(0) = 5,[1-3], 0)² = Ne²
mɛ
If N=10¹2 electrons /m³, e=1.6 x10-¹9 Coulombs, m = 9.1x10-31 kg,
(a) What permittivity does an AM radio signal (f=1MHz) see?
(b) What permittivity does an FM radio signal (f=100MHz) see?
(c) From the numbers in (a) and (b), what do you think happens to an AM
wave and an FM wave as they hit the ionosphere? Explain.
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