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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-state current i_R(t) through the resistor. Draw a phasor diagram showing V,I_C and I_R.
A piston-cylinder device initially contains 1 m of nitrogen gas at 400kpa and 27 c. A resistance heater is turned on inside the cylinder which passes 70 kj of electricity to the nitrogen gas.
A small businessman planes to start a taxi -service and purchased a new car for #36000 with borrowed money at 15% compounded annually , his net income is $12000 per year and the salvage value of the car at the end of 4 years is $5000.
For each one of the 3 frequency responses, H(f), in parts (a), (b), and (c) do the following: i. Obtain the system's impulse response, h(t). ii. Indicate if the system is BIBO stable or not, and state why. iii. Indicate if the system is causal or not..
In 2012, Felix Baumgartner jumped from space 36.6 km above New Mexico he reached a speed of 834 mph in 4 minutes and 19 seconds. What was his speed in Kilometers per second and how many miles was he above the ground
A single phase transformer has the following rating: 120 kVA, 2000 V/100 V, 60 Hz with 1000 primary turns. Determine (A) the maximum flux. (B) given a maximum flux density of 0.25 T, the cross-sectional area of the core.
Let x and y be Bernoulli randon variables that take on values 1 and 0. X is distrubuted with p = 0.5. What distribution on y will maximize the Kullback-Leibler divergence (D(x||y)
Consider the half wave rectifier with a 100Ω load and a peak voltage of 3.5 V. For a 1000μF capacitor, calculate the ripple amplitude if the frequency is 60 Hz.
A sinusoidal voltage of peak value 169.9 is applied to a load Z=16-j9. a)What is the peak active power delivered to the load b) What is the value of the average active power delivered to the load
Use a modulation index of 50 percent and a sampling rate of 160 kHz. In this project, develop a coherent demodulation for the modulated signal. Assume there is no channel error.
A labor intensive process has a fixed cost of $338,000 and a variable cost of $143 per unit. A capital intensive (automated) process for the same product has a fixed cost of $1,244,000 and a variable cost of $92.50 per unit.
A l / 2 dipole, with a total loss resistance of 1 ohm, is connected to a generator whose internal impedance is 50 + j25 . Assuming that the peak voltage of the generator is 2V and the impedance of the dipole is 73 + j42.5
Using 4 PSK or 2 PSK with the same total power as a reference, calculate the Eb/No versus Pe waterfall plot and compare the asymptotic coding gain of the coder/encoder.
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