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Assume a piecewise linear model for the diode has a cut-in voltage of 0.7V and a forward resistance , rf, of zero. Determine the ripple voltage, Vr, for each of the following capacitors : 1μF, 10
Suppose the electron concentration in a piece of silicon is equal to N at x=0 and falls linearly to zero at x=L. Find the expression for the diffusion current density. Calculate the current density
An electroencephalographic (EEG) signal x(t) is recorded from the surface of the head (scalp) via an EEG recording machine. The EEG machine has a bank of 4 ideal band-pass (BP) analog filters, H1(j&
what is the change in capacitance for a diode with cross-sectional area of 0.01cm^2, dielectric constant of 11.8 when a change in the applied voltage gives a depletion distance change from 1/2 micro
A four-pole dc generator has magnetic flux of 0.06 Wb/pole, a rotational speed of 1800 rpm, full load current of 40 A, and is simplex lap wound. The generator efficiency is 91%. Pole face coverage i
A four DC shunt generator has Φ=.06 Wb/pole, Z=175, n=1800 rpm, coverage, PFC= 0.8 A. Calculate the generated voltage B. If the load voltage is 240 V and the full load current is 100A, Calculate t
A voltage of 60cos(4πt) V appears across the terminals of a 3 m-F capacitor. Calculate the current through the capacitor and the energy stored in it from t=0 to t=0.125 sec.
A ring charge has charge density ρl = ksin(φ) .It is placed on the xy-plane, centered at the origin, and has a radius of 2. (i) Find the electric field intensity E at (0, 0, h) (ii) Find
Suppose that within your web browser you click on a link to a web page. This web page contains references to five JPEG images in addition to the base HTML file. Let RTT denote the Round-Trip Time be
Consider the Go-back N scheme with window size N = 2 and assume that 2 bits are used for the sequence number field. The sender has four packets (labeled A, B, C and D) to send to the receiver. Suppo
Suppose that a 5 Mbps link is being shared by a number of users. Each user alternates between period of activity during which the user transmits at rate 1 Mbps and periods of silence, when the
a) Explain the difference between a segment and a datagram. b) In virtual circuit networks, does a packet keep the same VC number on each of its links along its path from source to destination.
Design a circuit using a thermister in a Wheatstone bridge and a comparator to turn on a furnace when the temperature drops below 70 ?F. Use real components selected from an online distributor, such
Discuss the differences between series and parallel circuits. What are some advantages and disadvantages of each type Discuss why the total power equals the sum of the individual values of power, wh
Write Truth Table of a Half Adder with inputs A and B and output Sum and carry. How many 2-input NAND gates are required to realize this function. If a ROM is used to realize this function what is t
An amplifier without feedback is having a voltage gain of 80 and a current gain of 100 and an input resistance of 600-ohm. Find out the input resistance offered when voltage series feedback is emplo
An amplifier provides 10.5 V output under unloaded condition. When a load of 10-ohm is connected at its output, the voltage drops down to 0.5 V. Find out the output resistance of the buffer that is
Given vectors T = 2ax - 6ay + 3az and S = ax + 2ay + az, find (a) the scalar projection of T on S, (b) the vector projection of S on T, (c) the smaller angle between T and S.
If a single stage amplifier is having an open loop voltage gain of 80, input resistance of 800 -ohm and output resistance of 200 -ohm, what will be the available signal voltage across a 50 -ohm load c
If an amplifier, having a bandwidth of 1.5 MHz is connected to a video camera that provides frames (pictures) of size 352?288 pixels, what would be the maximum frame rate (in frames/sec) that it can
the charge entering the positive terminal of an element is q(t) = -12e-2t mC. and the power delivered to the element is p(t) = 2.4e-3t W . what is the current , voltage and energy of the element in
The intelligence signal amplitude is 3 V. Determine the carrier frequency and intelligence signal frequency. If the output deviation changes to between 90.0015 and 89.9985 MHz, calculate the intelli
Simulating shadow fading. Simulate a sample path of a shadow fading process for equispaced samples on a straight line. Assume a correlation distance Dc = 500 m and a standard deviation of σz
The impedance of the transmission line is 2+j4 mega-ohms per kilometer. What is the total impedance of the transmission line. The solutions manual of my book has the impedance of the transmission li
We have a balanced y-y system where the total power delivered to the Load is 1188 KW. wITH A lAGGING pOWER fACTOR OF 0.6. tHE LINE VOLTAGE AT THE LOAD IS 6600v. The line Impedance is 0.5+0.4j ohms.