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Find the radiation resistance (Prob. 11.3) for the

Introduction to Electrodynamics | 4th Edition | ISBN: 9780321856562 | Authors: David J. Griffiths ISBN: 9780321856562 45

Solution for problem 6P Chapter 11

Introduction to Electrodynamics | 4th Edition

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Introduction to Electrodynamics | 4th Edition | ISBN: 9780321856562 | Authors: David J. Griffiths

Introduction to Electrodynamics | 4th Edition

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Problem 6P

Problem 6P

Find the radiation resistance (Prob. 11.3) for the oscillating magnetic dipole in Fig. 11.8. Express your answer in terms of λ and b, and compare the radiation resistance of the electric dipole.

figure 11.8

Reference Prob. 11.3

Find the radiation resistance of the wire joining the two ends of the dipole. (This is the resistance that would give the same average power loss—to heat—as the oscillating dipole in fact puts out in the form of radiation.) Show that R = 790 (d/λ)2 Ω, where λ is the wavelength of the radiation. For the wires in an ordinary radio (say, d = 5 cm), should you worry about the radiative contribution to the total resistance?

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Chapter 4: Energy and Heat 02/13/2017 ▯ Radiation o All objects emit electromagnetic radiation just because they have a temperature. This is a type of energy transfer by heat. o Rate at which energy is emitted increases with temperature (hotter objects emit more radiation). o The type of radiation given off also depends on temperature.  Type depends on the frequency of the electromagnetic wave.  Hotter objects emit radiation with higher frequencies (and therefore smaller wavelengths).  Examples: visible, infrared, ultraviolet, etc. ▯ ▯ Electromagnetic Radiation o Electromagnetic radiation: energy carried as electromagnetic waves. o Waves h

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Chapter 11, Problem 6P is Solved
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Textbook: Introduction to Electrodynamics
Edition: 4
Author: David J. Griffiths
ISBN: 9780321856562

Introduction to Electrodynamics was written by and is associated to the ISBN: 9780321856562. This textbook survival guide was created for the textbook: Introduction to Electrodynamics , edition: 4. Since the solution to 6P from 11 chapter was answered, more than 237 students have viewed the full step-by-step answer. The answer to “Find the radiation resistance (Prob. 11.3) for the oscillating magnetic dipole in Fig. 11.8. Express your answer in terms of ? and b, and compare the radiation resistance of the electric dipole.figure 11.8 Reference Prob. 11.3Find the radiation resistance of the wire joining the two ends of the dipole. (This is the resistance that would give the same average power loss—to heat—as the oscillating dipole in fact puts out in the form of radiation.) Show that R = 790 (d/?)2 ?, where ? is the wavelength of the radiation. For the wires in an ordinary radio (say, d = 5 cm), should you worry about the radiative contribution to the total resistance?” is broken down into a number of easy to follow steps, and 112 words. This full solution covers the following key subjects: radiation, resistance, dipole, prob, oscillating. This expansive textbook survival guide covers 12 chapters, and 550 solutions. The full step-by-step solution to problem: 6P from chapter: 11 was answered by , our top Physics solution expert on 07/18/17, 05:41AM.

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