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Consider a causal continuous-time LTI system whose input x(t) and output y(t) are related by the following differential equation:dy(t)/dt + 4y(t) = x(t).Find the Fourier series representation of the output y(t) for each of the following inputs:a) x(t) = cos2πtb) x(t) = sin 4πt + cos(6πt + π/4)
How many kg of coal with energy content of 24 MJ/kg would be equivalent to energy used by a 100-W light bulb burning constantly for the whole year. Coal to electricity conversion efficiency is 30%.
Create the Walsh code matrix for a W16. (c) For IS-95, on the forward link, list the Walsh code assigned to the various logical channels (hint: there are 64 Walsh codes)
Suppose that a family of logic gates considers the output ranges of [0 - 0.2V] as "0" and [3.1V-3.3V] as "1". What are the reasonable input ranges for "0" and "1"? (a) "0": [0.1 - 0.4V], "1": [2.3V - 3.3V]; (b) "0": [0-0.3V], "1": [2.8V - 3.0V]; (..
A permanent magnet dc motor is delivering zero torque when it runs at 1800 rev/min and has 50 V dc applied to its terminals. The armature resistance is 2.0 ohm. What current will the motor need in order to deliver a torque of 2.0 Nm
A manufacturing plant has an installed capacity of 999 kVa ofpower. Its total connected load is 800 kW with system power factorof 60%. a. Is the installed capacity sufficient to supply the total connected load
Find the charge q as a function of time for the electrical circuit described. Assume that q(0) = 0 and q'(0) = 0 R = 20, C = 0.02, L = 2, E(t)=35 q"+R/L q'+1/LC q=1/L E(t) where R is resistance (in Ohms), C is capacitance (in Farads)
A burst of 8^14 electrons accelerated to an energy of 12 MeV per electron is stopped in a copper target block of mass 180 g. If the block is thermally insulated, what is its temperature rise
A dc separately excited generator runs at 1200 rpm. the rated current and voltages are 100 A at 240 V. The armature resistance is 0.15 (ohms). The open circuit magnetization characteristics at 1200 rpm are
The FM input to a PLL demodulator has an unmodulated center frequency of 10.7 MHZ. (a) To what frequency must the VCO be set (b) From which circuit is the recovered modulating signal taken
under insolation conditions 500 W/m^2 (direct sunlight), and 10% solar cell efficiency, calculate the area required for a photovoltaic array capable of running an electric vehicle driven by a single 40 hp motor for 3 hours at half power
A 25 MVA, three phase, 13.5kV, Y-connected, two pole, 60 Hz synchronous generator was tested by the open circuit test and short circuit test and tabulated in table 1. If the armature resistance is 0.24 ohms per phase
Design an active low pass filter with a cutoff of 10kHz or more by more than 30db and have the pass band gain positive that does not deviate from 20db by more than 3 db. The pass band frequncy need is 800Hz and below.
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