Puntos:3 An electromagnetic wave from a wire antenna travels (from the reader) toward the plane of the paper. At time t = 0.0 s it strikes the paper at normal incidence. At point O and t = 0.0 s, the magnetic field vector has its maximum value, 4.84×10-8 T, pointing in the negative y-direction. The frequency of this wave is 1.83x106 Hz. B (t=0) What is the x-component of the associated electric field E at time t = 0.0 s? (Use the right-hand rule to determine the direction of E, and hence the sign of the x- component.) 0.0886N/C The B-field and the E-field magnitudes are related via the speed of light. The directions of E, B, and the wave propagation direction are related by the right-hand rule. Enviar Respuesta Incorrecto. Tries 2/12 Intentos Anteriores What is the magnitude of the Poynting vector of the wave at time t = 0.0 s? The intensity S can be calculated from either the E-field or the B-field. Enviar Respuesta Incorrecto. Tries 1/12 Intentos Anteriores What is the v component of the magnetic field at point O at time 2.73×10-7 s? How many periods of the wave have passed between t = 0.0 s and the given t? In which direction does B point after that amount of time? Enviar Respuesta Incorrecto. Tries 1/12 Intentos Anteriores
Puntos:3 An electromagnetic wave from a wire antenna travels (from the reader) toward the plane of the paper. At time t = 0.0 s it strikes the paper at normal incidence. At point O and t = 0.0 s, the magnetic field vector has its maximum value, 4.84×10-8 T, pointing in the negative y-direction. The frequency of this wave is 1.83x106 Hz. B (t=0) What is the x-component of the associated electric field E at time t = 0.0 s? (Use the right-hand rule to determine the direction of E, and hence the sign of the x- component.) 0.0886N/C The B-field and the E-field magnitudes are related via the speed of light. The directions of E, B, and the wave propagation direction are related by the right-hand rule. Enviar Respuesta Incorrecto. Tries 2/12 Intentos Anteriores What is the magnitude of the Poynting vector of the wave at time t = 0.0 s? The intensity S can be calculated from either the E-field or the B-field. Enviar Respuesta Incorrecto. Tries 1/12 Intentos Anteriores What is the v component of the magnetic field at point O at time 2.73×10-7 s? How many periods of the wave have passed between t = 0.0 s and the given t? In which direction does B point after that amount of time? Enviar Respuesta Incorrecto. Tries 1/12 Intentos Anteriores
Chapter16: Electromagnetic Waves
Section: Chapter Questions
Problem 46P: A plane electromagnetic wave of frequency 20 GHz moves in the positive y-axis direction such that...
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Transcribed Image Text:Wave from a wire antenna
Puntos:3
An electromagnetic wave from a wire antenna travels (from the reader) toward the plane of the paper. At time t = 0.0 s it strikes the paper at normal incidence. At
point O and t = 0.0 s, the magnetic field vector has its maximum value, 4.84×10-8 T, pointing in the negative y-direction. The frequency of this wave is 1.83x106
Hz.
B (t=0)
What is the x-component of the associated electric field E at time t = 0.0 s? (Use the right-hand rule to determine the direction of E, and hence the sign of the x-
component.)
0.0886N/C
The B-field and the E-field magnitudes are related via the speed of light. The directions of E, B, and the wave propagation direction are related by the right-hand
rule.
Enviar Respuesta Incorrecto. Tries 2/12 Intentos Anteriores
What is the magnitude of the Poynting vector of the wave at time t = 0.0 s?
The intensity S can be calculated from either the E-field or the B-field.
Incorrecto. Tries 1/12 Intentos Anteriores
Enviar Respuesta
What is the v component of the magnetic field at point O at time 2.73x10-7 s?
How many periods of the wave have passed between t = 0.0 s and the given t? In which direction does B point after that amount of time?
Enviar Respuesta Incorrecto. Tries 1/12 Intentos Anteriores
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