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Determine the amount of time that the following devices would have to be used before 1.0x106 C (1 million Coulombs) of charge passes through them. a. LED night light (I=0.0042 A) b. Incandescent nig
A decade counter uses Gray code. The counter has 4 FFs with outputs labeled A,B,C,D. Derive the simplest SOP excitation equation for the counter if it uses D FFs, then repeat for JK FFs.
When finding the inverse Z-transform of functions with z-1 terms in the numerator, the fact that z-1 can be thought of as a delay operator can be used to simplify the computation. Consider X(z) =1 -
Consider the mapping of the unit circle (i.e., z = 1ejω, -π ≤ ω < π). Obtain the segment in the s-plane resulting from the mapping. Consider the mapping of the inside and the
Given: A permanent magnet DC motor with kv = 0.7 v-s is tested under the following two conditions: Test 1: Apply 120 V; motor unloaded, Ia=2A and w=160 rad/s Test 2: Apply 120 V, increase load torque
Given: A permanent magnet DC motor has a machine constant, Kv = 0.5 V-s. The no-load torque is 1.0 Nm. Assume mechanical torque loss is a constant. Determine the mechanical power developed by the un
Differential equation to determine what happens to the turtle population in the long run -remote island satisfies the differential equation
Calculate the electric field strength E1 (Newton/Coulomb) at the surface of an ellipsoid with major/minor axes of 0.3m x 0.4m x 0.4m, enclosing a charge q2 at the origin with 26.5 Coulomb. The mediu
design a decimal adder for digits represented in the excess-3 code. Show that the correction after adding two digits with a 4-bit binary adder is as follows (a) The output carry is equal to the carry
Obtain the discrete-time (DT) or sampled signals x[n] = x(nTs) and h[n] = h(nTs) by discretizing the CT signals x(t) and h(t), respectively, using a sampling period of Ts = 0.01 s. This value ensure
a toroidal maganitic core is wrapped with a coil of wire containing 200 turns. the cross sectional area of the core is 10 cmsq,and the mean length around the core is 20 cm. the material permability
a change in the coil over a period of 4mSec causes total flux in the core to decrease at a constant rate by a total of 0.10 mWb. What voltage is induced in the 1000 turn coil by the change in flux.
A three-phase 765-KV, 60-Hz,300-km,completely transposed line has the following positive-sequence impedance and admittance: z=0.0165+j0.3306 Ω/hm y=j4.674x10-6 S/km ten to the minor
A current i(t) = 10r(t) mA is applied to a 10 mF capacitor for t > 0, where r(t) is the ramp function. At t= 0, the capacitor voltage was zero. The voltage across the capacitor at t = 2 s is
design the logic circuit for starting an emergency diesel generator. For the generator to start, the generator must be disconnected from the bus, there must be sufficient starting air pressure, and
Find the capacity of the cascade connection of n binary-symmetric channels with same crossover probability ε. what is the capacity when the number of channels n=2.
Several copies of the signal, shifted in time and frequency as well as attenuated, are received-that is, the transmission is done over multiple paths each attenuating and shifting the sent signal. T
A 75 hp, 60 Hz, 2300 V, 20 A, 2 pole, wye connected, design B induction motor with code K delivers rated horsepower at 3500 r/min. Assume the phase angle of the locked-rotor impedance is 75 degrees.
The coil area is 2.7 mm*mm, the number of turns is 187; it also has an iron core with permeability mu= 600. How long must the coil be to have an inductance of 8.3 mH
A voltage v(t) = 24cos(2000t-45°)V is applied across a parallel connection of a 5-kΩ resistor and a 100-nF capacitor. Find the steady-state current i_c(t) through the capacitor and the steady-
A 3.3 uH inductor is connected to a current source. The current of the source is changing according to time as 8.6 * t A. What is the voltage drop across this inductor (UNIT:mV)
Write a Matlab script file that uses the function from Part 1 to apply "water filling" for distributing total power P = 10 over N = 5 parallel channels with noise levels x = [2, 3, 1, 6, 4] and that
After the numbers have been placed in A and B, and X is set to 0 or 1, a start signal (st) arrives thats sets the circuit in operation. After four shift pulses, the operation is completed and the ci
The silicon substrate is N-type (doping level ND = 7x10^16cm-3), and the gate is heavily doped N+-type polysilicon. Assuming zero oxide charge density, determine the density of mobile charge at the
Where x(t) is the input and y(t) is the output. a.] Find the impulse response h(t) of the average. Is the system causal b.] Let x(t) = u(t). Find the output of the average.