(20 Marks) 5.,) A wave is transmitted through an antenna with a frequency of 100 MHE,...
6.) A wave is transmitted through an antenna with a frequency of 100 MHz, is travelling in a lossless medium (5 Ma (5 Mar (3 Ma having the relative permittivity(Er) and relative permeability (),18 and 1 respectively, Determine; a. Attenuation factor b. Phase shift constant c. Velocity of propagation
Example: er a wave of frequency 1 MHz incident on seawater, having conductivity of 4 S/m, and relative permittivity of 81. Find: The skin depth Phase velocity Attenuation constant Propagation constant
5 Points Problem 5: A Uniform Plane Wave of frequency f is propagating in a certain lossless medium of Impedance n with a Phase Velocity Vp. A. Find the Wavelength, 2. 5 Points B. Find the Propagation Constant, ß. 5 Points C. Find the Relative Permittivity, er. 5 Points D. Find the relative permeability, Hr. 5 Points | Er = 2.10 Problem 3A f = 13.4 MHz Problem 3B 1 = 3.9 m Problem 30 f = 10.0 MHz Problem...
A sound wave with a frequency of 250 Hz is transmitted through air at 25° C (298.2K) The specific gas constant for air is 287 J/kg K, and tne specific heat ratio is γ = 1.40. Determine (i) The speed of sound, (i) The wavelength, (ii) The wave number, (iv) The angular frequency for this condition. The noise level measured at a particular location in a factory with a noisy machine operating nearby is 92 dB(A). When the machine is...
Wave Optics CHAPTER 17 17-5 17.4 Thin-Film Interference oure shows a wave transmitted from air through a thin oil film on water. The film has a kness t oil/2, where Noil is the wavelength of the light while in the oil. 2. The fi nicna n1 1.00 n2 1403 1.33 a. Referring to the indices of refraction shown on the figure, indicate at each boundary with a Y (yes) or N (no) whether the reflected wave undergoes a phase change...
Electromagnetic plane waves in a lossy medium field of an electromagnetic plane wave traveling in a lossy medium can be written as 6. The where z is the distance, t is time, and f the frequency. For f 1 GHz, it is found by measurement that the amplitude of the electric field is attenuated by a factor of 3 after the wave travels 100 m (ie, to 130f the amplitude at z = 0 when it arrives at z-100 m)....
1. As observed by inertial systern S, an electrornagnetic plane wave of angular frequency ω is traveling in the +x direction through free space. Its electric and magnetic fields are given respectively by u(ut) E(z, y, z,t) = E0% cos (kz-at), B(z, y, z,t) =-e, cos(kz-wt) , where Eo is the electric-field amplitude and k-w/c is the magnitude of the propagation vector. Consider an inertial system S' that is moving with velocity Bcé, relative to inertial system S, where 0S...
1. The magnetic field of a wave propagating through a certain nonmagnetic material is given by H-x30cos(10%-0. Sy) (mA/m) Find the following: (a) The direction of wave propagation. (b) The phase velocity (c) The wavelength in the material. (d) The relative permittivity of the material (e) The electric field phasor 2. A 60-MHz plane wave traveling in the -x-direction in dry soil with relative permittivity &4 has an electric field polarized along the z-direction. Assuming dry soil to be approximately...
6. For wave on a string, how do you determine frequency for n-loops? Explain. For 5 loops, mass per unit length 2.5x104 kg/m, and tension 20 N, calculate the frequency of the wave. 10. If two springs having 100 N/m and 150 N/m spring constants connected in series, and a force compresses them by 5 cm and 2 cm respectively, how much force is applied?
Problem 6. Electromagnetic plane waves in a lossy medium The electric field of an electromagnetic plane wave traveling in a lossy medium can be written as where z is the distance, t is time, and fthe frequency. For f 1 GHz, it is found by measurement that the amplitude of the electric field is attenuated by a factor of 3 after the wave travels 100 m (i.e., to 1/3 of the amplitude at z-0 when it arrives at z- 100...