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Due to components not shown in the figure, the circuit of Figure has iL(0) = Ii.
a. Write an expression for iL(t) for t ≥ 0.
b. Find an expression for the power delivered to the resistance as a function of time.
c. Integrate the power delivered to the resistance from t = 0 to t =∞, and show that the result is equal to the initial energy stored in the inductance.
an electric motor has an armture constant of 140, a flux of 25 mwh, an armuture current of 30 A , and a rotatio?nal speed of 1600 rpm. what is most nearly the power output in watt
In step four of this problem, how do you know in which direction to simplify the resistance for the thevenin resistance. (since you come up with a different answer depending on which direction you choose to simplify from)
a) Why is it that if the power system of interest is physically smaller than the wavelength, we can represent it as a lumped-parameter system b) Why a long wavenenth requires a gigantic antennas
steam flows through a turbine one inlet and two exits with know condition at the steady state ( hints: h1=3231KJ/kg, h2=2812 KJ/kg , specific volume (v)= 0.0994 m^3/kg , at p= 30 bars,v=0.4045m^3/kg, at p=5 bars, no potential and kinetic energy ch..
Efficiency in a power transformer is 98.6 percent when loaded such that its core losses equal the copper losses. Calculate the per unit resistance of this transformer.
Determine the maximum bit rate for an FSK signal with a mark frequency of 48Khz, a space frequency of 52Khz, and an available bandwidth of 10kHz.
Two Bit Analog to Digital Converter - MATLAB Let x (t) = 0.8 cos(2*pi*t) + 0.15, 0≤ t ≤ 1, and zero otherwise, be the input to a two bit ADC converter. a.) For a sampling period Ts = 0.025 sec; determine and plot using MATLAB the sampled signal: x (n..
Use MATLAB to find, and to graph. the unit-sequence response of the system - Graph the magnitude and phase of the DTFT of x[n - 2].
Consider a thermal sensor that a time constant τ = 20 msec such that a step change in temp. requires approx. 3*τ to reach 95 % of the final value. a- write an expression for the frequency response of the sensor
A capacitor is formed by two metal parallel plates with the dimensions 210 mm x 210 mm separated by the gap of 1.2 um (u=micro) filled with dielectric material with relative dielectric permittivity 3.8.
The photoelectric threshold wavelength for Tungsten is 2300 Å. Find the energy in eV of the emitted electrons from the surface by ultraviolet light of wavelength 1800 Å.
Design a human body temperature indicator system for a hospital bed. Your system takes an 8-bit input representing a person's body temperature,which can range from 0 to 255. If the measured temperature is 95 or less, set output A to 1.
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