5. (10) The time harmonic (complex) magnetic field intensity vector (v = 3 x 1014 Hz)...
1) A magnetic field intensity vector H has only Z component given by HZ= 3xcosβ+6ysinα. If the field is invariant with time. What is the expression for the current density vector J? (α and β are constants). 2) An electron whose Q= -1.602*10-19 C, is moving with a velocity of 106m/s in the ax direction in a magnetic field B=0.2ax-0.3ay+0.5az wb/m2. What is the electric field present if no net force is applied tot he electron. ( Note = Total...
3. A uniform plane electromagnetic wave with the time harmonic electric field intensity vector E' =ǐ10cos(cr-6m) (volts/meter) 46.μ.-Ha ) upon the is incident from the lossless medium I ( Ei 수x lossless half-space medium 2 (629 Find: 4o) (a) the wave numbers and intrinsic impedances of each medium expressed in terms of air parameters ko and巩; give formulas for these air parameters. (b) the phasor reflected and transmitted electric field intensities Leave answers (c) the phasor reflected and transmitted magnetic...
3. (10) Consider a left-circularly polarized harmonic plane wave in vacuum, with angular frequency w = 3. 1015 Hz, and that propagates towards the i + + 2 direction. The magnetic field HF,t), at time t = 0 and at the origin, is H(0,0) = 132.7.(-) PA/m. Determine: (a) The wavevector k; (b) The polarization vector e of the magnetic field; (c) The complex magnetic field vector H(); (d) The complex electric-field vector ET).
Page 3 of 5 3. The magnetic field intensity of a uniform plane wave, in a material with u = 5uo, is given by H = 10e0 cos (rx101-10xx), (A/m).(7 points) a) Calculate o and 8. b) Find the corresponding electric field intensity. c) Determine the average power density.
2.In air, an electromagnetic uniform plane wave of frequency f 300MHz has the wave vector に"E[x+y] and a phasor electric field at the origin ofE> (1+))2. Find (give units): (a) phasor electric field in terms of rectangular coordinate variables (b) associated phasor magnetic field in terms of rectangular coordinate variables (c) time-averaged power density (or time-averaged Poynting vector) carried by the wave (d) time-averaged power carried by the wave through an area of a square that occupies the region Os...
20. A coil with 10 turns of area 0.05m is place in a magnetic field of strength 0.4 T. The coil is then rotated in such a way that the cosine of the angle between a perpendicular to plane of the coil and the field changes uniformly from 0.0 to 1.0 in 10 seconds. The EMF induced in the coil during this period is: a. 20.0 V b. 2.0 V c. 0.2 V d. 0.02 V 21. Which of the...
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...
X nt PROBLEMS ABOUT MAGNETIC FORCES P4) A region contains both uniform electric field E(S.2-4j+2k) x 103 V/m and magnetic field B = Bi+B. When a proton q 16X 10-c is inserted (6+3-5)x 10 m/s, it is found that the net force on the proton is Prepared by Asist Prof Dr. I.Sakalli P1) A wire carries a steady current of 0.6A. A straight section of ie the region with a constant velocity follows F(29.121 424j + 10.4 ) x 10-16N...
e0-0s0t jno EE4101/EE4101E RF Communications/ Page 5 Section B A uniform plane wave in a lossless dielectric, in general, includes four wave solutions propagating along +z and-z directions as follows: Q.5 TEM Eo = e le EEe н; -E E Ee H yo e le E e н; E Ee E 0 E, Ee н; ele A plane wave can be considered as the combination of all possible solutions. Assume the plane wave is polarized along-direction, it could be generally...
of an electromagnetic wave propagating in a vacuum is 65 x 10 Hz. See the table for problem 1 1) To what part of the electromagnetic spectrum does this wave a) blue light 2) The electromag a)perpendicular to b) parallel to the the magnetic field b) green light netic field of the electromagnetic wave is d) violet light c) antiparallel to the d) paralel to the wave velocity magnetic field magnetic field The speed of light in a medium is...