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Rework Example 9.4 with a slab spacing of s = 2 mm and a remanent magnetization of 1000 G. (Assume all other parameters as unchanged and that the differential phase shift is linearly proportional to κ.)
Example 9.4 A thin ferrite rod with 4π Ms = 800 G is magnetically biased along its axis. Find the external bias field strength required to produce a gyromagnetic resonance at 2.52 GHz.
A 120/240V single phase transformer is connected as an autotransformer. Suppose that V1 is 120V at zero degrees and the transformer is ideal. Find V2, I1, and I2.
A 5-element uniform linear array with inter-element spacing of λ/2 is to have maximum radiation in the direction θ=60° , find the current phases , find the directions of null radiation , hence sketch the radiation pattern , find also the relative ..
A pn junction may be formed by depositing a single crystal film of uniformly doped p-silicon onto a substrate that has been doped n-type. The substrate is 500um thick, and the film is 20um thick. The substrate has a 5 ohm-cm resistivity.
polyethylene with ?r 2.25 is used as the insulating material in a lossless coaxial line with a characteristic
Find the power spectral density and autocorrelation function of the random process ate the filter output - what are the mean and variance of this output and determine the mean and variance of the random variable
A project manager placed an order for ball bearings for some heavy duty manufacturing machinery. What is the surface area in square millimeters of one of these bearnings if it has a diameter of 0.4 inches
Design a common-emitter bandpass amplifier having 20dB voltage gain at frequency 1.6 MHz with a bandwidth of 80kHz, when driven by an ideal voltage source and loaded at the output by RL=100k ohm and Rs = 0 ohm.
The input/output relation of a discrete time system is given by y(n) = x(n+1) + x(n-3). Find an expression for h(n), the unit sample response of this system. specify how many non-zero terms there are in h(n).
The waveform output by the signal generator in part (b) is changed so that the rectangular pulses have the same width but no longer are periodic. They occur at random intervals of time. Explain in words how the display on the spectrum screen would..
Suppose a car of mass m moving on a straight west-east highway at velocity v(t) (positive for motion from west to east) experiences aerodynamic drag force with magnitude v(t) opposing its motion.
Show that the sum of any two forward time-like vectors is itself forward time-like, and hence that the sum of any number of forward time-like vectors is its self forward time-like.
The motor drives a load that requires constant torque. Assume that RA = 0. The resistances in the field circuit are RF = 50Ω and Radj = 25Ω. Find a new value for Radj so that the speed becomes 1200 rpm. What is the slowest speed that can be achiev..
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