PHYSICS F/SCI.+ENGR.W/MODERN...-W/CODE
4th Edition
ISBN: 9780134641010
Author: Knight
Publisher: PEARSON
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Chapter 31, Problem 7CQ
In what directions are the
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Chapter 31 Solutions
PHYSICS F/SCI.+ENGR.W/MODERN...-W/CODE
Ch. 31 - Prob. 1CQCh. 31 - Sharon drives her rocket through the magnetic...Ch. 31 - If you curl the fingers of your right hand as...Ch. 31 - What is the current through surface S in FIGURE...Ch. 31 - Is the electric field strength in FIGURE Q31.5...Ch. 31 - Do the situations in FIGURE Q31.6 represent...Ch. 31 - In what directions are the electromagnetic waves...Ch. 31 - The intensity of an electromagnetic wave is 10W/m2...Ch. 31 - Prob. 9CQCh. 31 - Prob. 10CQ
Ch. 31 - Prob. 1EAPCh. 31 - 2. A rocket cruises past a laboratory at in the ...Ch. 31 - Prob. 3EAPCh. 31 - Prob. 4EAPCh. 31 - Prob. 5EAPCh. 31 - Prob. 6EAPCh. 31 - Prob. 7EAPCh. 31 - Prob. 8EAPCh. 31 - Prob. 9EAPCh. 31 - Prob. 10EAPCh. 31 - Prob. 11EAPCh. 31 - Prob. 12EAPCh. 31 - Prob. 13EAPCh. 31 - Prob. 14EAPCh. 31 - Prob. 15EAPCh. 31 - Prob. 16EAPCh. 31 - Prob. 17EAPCh. 31 - Prob. 18EAPCh. 31 - Prob. 19EAPCh. 31 - Prob. 20EAPCh. 31 - Prob. 21EAPCh. 31 - Prob. 22EAPCh. 31 - Prob. 23EAPCh. 31 - Prob. 24EAPCh. 31 - Prob. 25EAPCh. 31 - Prob. 26EAPCh. 31 - Prob. 27EAPCh. 31 - Prob. 28EAPCh. 31 - Prob. 29EAPCh. 31 - Prob. 30EAPCh. 31 - Prob. 31EAPCh. 31 - An electron travels with <m:math...Ch. 31 - Prob. 33EAPCh. 31 - Prob. 34EAPCh. 31 - Prob. 35EAPCh. 31 - Prob. 36EAPCh. 31 - Prob. 37EAPCh. 31 - Prob. 38EAPCh. 31 - Prob. 39EAPCh. 31 - Prob. 40EAPCh. 31 - Prob. 41EAPCh. 31 - Prob. 42EAPCh. 31 - Prob. 43EAPCh. 31 - Prob. 44EAPCh. 31 - Prob. 45EAPCh. 31 - The electric field of a 450MHz radio wave has a...Ch. 31 - Prob. 47EAPCh. 31 - Prob. 48EAPCh. 31 - Prob. 49EAPCh. 31 - A LASIK vision-correction system uses a laser that...Ch. 31 - Prob. 51EAPCh. 31 - Prob. 52EAPCh. 31 - Prob. 53EAPCh. 31 - Prob. 54EAPCh. 31 - Prob. 55EAPCh. 31 - Prob. 56EAPCh. 31 - Prob. 57EAPCh. 31 - Prob. 58EAPCh. 31 - Prob. 59EAPCh. 31 - Prob. 60EAPCh. 31 - An electron travels with through a point in space...Ch. 31 - Prob. 62EAPCh. 31 - Prob. 63EAPCh. 31 - Prob. 64EAP
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- Figure P24.13 shows a plane electromagnetic sinusoidal wave propagating in the x direction. Suppose the wavelength is 50.0 m and the electric field vibrates in the xy plane with an amplitude of 22.0 V/m. Calculate (a) the frequency of the wave and (b) the magnetic field B when the electric field has its maximum value in the negative y direction. (c) Write an expression for B with the correct unit vector, with numerical values for Bmax, k, and , and with its magnitude in the form B=Bmaxcos(kxt) Figure P24.13 Problems 13 and 64.arrow_forwardThe electric part of an electromagnetic wave is given by E(x, t) = 0.75 sin (0.30x t) V/m in SI units. a. What are the amplitudes Emax and Bmax? b. What are the angular wave number and the wavelength? c. What is the propagation velocity? d. What are the angular frequency, frequency, and period?arrow_forwardA dish antenna having a diameter of 20.0 m receives (at normal incidence) a radio signal from a distant source as shown in Figure P24.63. The radio signal is a continuous sinusoidal wave with amplitude Emax = 0.200 V/m. Assume the antenna absorbs all the radiation that falls on the dish. (a) What is the amplitude of the magnetic field in this wave? (b) What is the intensity of the radiation received by this antenna? (c) What is the power received by the antenna? (d) What force is exerted by the radio waves on the antenna? Figure P24.63arrow_forward
- What is the intensity of an electromagnetic wave with a peak electric field strength of 125 Vim?arrow_forwardSuppose the magnetic field of an electromagnetic wave is given by B = (1.5 1010) sin (kx t) T. a. What is the maximum energy density of the magnetic field of this wave? b. What is maximum energy density of the electric field?arrow_forwardDuring normal bee?ng, the heat creates a maximum 4.00mv potential across 0.300 m of a person’s chest, creating a 1.00-Hz electromagnetic wave. (a) What is the maximum electric field strength created? (b) What is the corresponding maximum magnetic field strength in the electromagnetic wave? (c) What is the wavelength of the electromagnetic wave?arrow_forward
- If you wish to detect details of the size of atoms (about 0.2 nm) with electromagnetic radiation, it must have a wavelength of about this size. (a) What is its frequency? (b) What type of electromagnetic radiation might this be?arrow_forwardThe magnetic field of a plane electromagnetic wave moving along the z axis is given by B =B0(coskz+t) j , where B0=5.001010 and k=3.10102m-1 . (a) Write an expression for the electric field associated with the wave. (b) What are the frequency and the wavelength of the wave? (C) What is its average Poynting vector?arrow_forwardThe following represents an electromagnetic wave traveling in the direction of the positive y-axis: Ex=0;E0cos(kxt);Ez=0Bx=0;By=0;Bz=B0cos(kxt) The wave is passing through a wide tube of circular cross- section of radius R whose axis is along they-axis. Find the expression for the displacement current through the tube.arrow_forward
- The electric field of an electromagnetic wave traveling in vacuum is described by the following wave function: E =(5.00V/m)cos[kx(6.00109s1)t+0.40] j where k is the wavenumber in rad/m, x is in m, t s in Find the following quantities: (a) amplitude (b) frequency (c) wavelength (d) the direction of the travel of the wave (e) the associated magnetic field wavearrow_forwardConsider an electromagnetic wave traveling in the positive y direction. The magnetic field associated with the wave at some location at some instant points in the negative x direction as shown in Figure OQ24.12. What is the direction of the electric field at this position and at this instant? (a) the positive x direction (b) the positive y direction (c) the positive z direction (d) the negative z direction (e) the negative y direction Figure OQ24.12arrow_forwardDuring normal beating, the heart creates a maximum 4.00-mV potential across 0.300 m of a person’s chest, creating a 1.00-Hz electromagnetic wave. (a) What is the maximum electric field strength created? (b) What is the corresponding maximum magnetic field strength in the electromagnetic wave? (C) What is the wavelength of the electromagnetic wave?arrow_forward
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