The skin depth of a certain nonmagnetic conducting material The skin depth of a certain nonmagnetic conducting material is 3 Îźm at 5 GHz. Determine the phase velocity in the material.
The rectangular loop shown in Fig. 5-33 (P5.4) consists of The rectangular loop shown in Fig. 5-33 (P5.4) consists of 20 closely wrapped turns and is hinged along the z-axis. The plane of the loop makes an angle of 30o with the y-axis, and the current in the windings is 0.5 A. What is the […]
The normalized radiation intensity of a certain antenna is given The normalized radiation intensity of a certain antenna is given by F(q)= exp (20q2) for 0 < q=””>< p=”” where=”” q=”” is=”” in=”” radians.=”” determine:=””> (a) The half-power beam width, (b) The pattern solid angle, (c) The antenna directivity.
The magnetic field of a plane wave traveling The magnetic field of a plane wave traveling in air is given by H = x50sin (2ď°ď x 107t) ky (mA/m). Determine the average power density carried by the wave.
The radiation pattern of a circular parabolic-reflector antenna The radiation pattern of a circular parabolic-reflector antenna consists of a circular major lobe with a half-power beam width of 3 and a few minor lobes. Ignoring the minor lobes, obtain an estimate for the antenna directivity in dB.
The plane boundary defined by z = 0 separates air from a block The plane boundary defined by z = 0 separates air from a block of iron. If B1 = x4 â y6 z8 in air (z > 0), find B2 in iron (z
The parallel-plate capacitor shown in Fig. 6-25 (P6.16) is fille The parallel-plate capacitor shown in Fig. 6-25 (P6.16) is filled with a lossy dielectric material of relative permittivity ?r and conductivity ?. The separation between the plates is d and each plate is of area A. The capacitor is connected to a time-varying voltage source […]
The magnetic field of a wave propagating through a certain The magnetic field of a wave propagating through a certain nonmagnetic material is given by Find (a) The direction of wave propagation, (b) The phase velocity, (c) The wavelength in the material, (d) The relative permittivity of the material, and (e) The electric field phasor.
When a particle with charge q and mass m is When a particle with charge q and mass m is introduced into a medium with a uniform field B such that the initial velocity of the particle u is perpendicular to B, as shown in Fig. 5-31 (P5.2), the magnetic force exerted on the particle […]
Use the Smith chart to find Zin of the feed line shown in Fig Use the Smith chart to find Zin of the feed line shown in Fig. 2-44 (P2.48 (a)). All lines are lossless with Z0 = 50 ď.