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RC CIRCUITS:
1) Hand calculate the expression for the voltage and current of the capacitor and plot these equations by using MATLAB.
2) Plot the capacitor voltage and current for R=100Ohm and C=1μF, R=1k and C=800mF and comment about the differences you see in the graphs.
3) Calculate the time constants of each circuit and point out this time constants at your voltage graphs.
4) Hand calculate the expression for the voltage and current of the resistor and plot these equations by using MATLAB.
5) Assume the output is taken from the capacitor in this RC system with R=100Ohm and C=1μF. Plot the step and impulse response of the system by using the LSIM (you can use TF function before LSIM to calculate your system coefficients) function of MATLAB.
6) Assume the output is taken from the capacitor in this RC system with R=100Ohm and C=1μF. This RC system is a first order low pass filter with a break frequency. Calculate the break frequency for this system.
7) Apply two ac signals (x1(t) and x2(t))to your system by using LSIM function of MATLAB. X1(t) is a sinusoidal signal with 500 Hz frequency and x2(t) is a sinusoidal signal with 100 Hz frequency. You will notice different effects of your RC system (low pass filter) to these signals. What is the reason for this difference.
A control system for positioning the head of a floppy disk drive has the closed-loop transfer function T(s)=11.1(s+18) / (s+20)(s^2+4s+10). Plot the poles and zeros of this system and discuss the dominance of the complex poles.
A series RLC circuit has a resonant frequency of 40 kHz and the Q is 20. At what frequency will the phase angle be 45 degrees
To simulate a continuious-time system with input x(t) and impulse response h(t) using a digital system, one can first sample x(t) and h(t) to obtain x[n] and h[n] respectively and then perform a discrete-time convolution between x[n] and h[n]
The following tests are performed on a single phase transformer rated 30/6.3 KV , 10 MVA , 50 HZ i- Short circuit test with L.V side short circuited and measurement made on H.V side I = I full load , V = 2700 V , P 80 KW
The factorial of a nonnegative integer n is written n! (pronounced "n factorial") and is defined as follows: n!= n(n-1)(n-2)(n-3)....1 (for values of n greater than or equal to 1) and n!= 1 (for n=0) for example 5! = 5x4x3x2x1,
Write an assembly language program to compare two 1 byte numbers and find the greater number in a memory location.
A 120 V, 60Hz source is connected to a distribution line whose resistance and inductive reactance is .001 Ohm and j0.002 Ohm respectively. A single phase, 100 HP, 120V, 0.85pf motor and a 100 kW, 120 V Heater are connected in parallel.
Fnd the attenuation provided at ω=2ωp by aseventh-order Chebyshev filter with a 0.5dB passband ripple. If the passband ripple is allowed in to increase to 1dB, how much does the stop band attenuation increase.
What is the maximum allowable value Xmax of X? The system is built with X-Xmax. An engineer argues that the host on the sort side of the bridge can use a minimum frame length shorter than 512 bits if they are talking to other hosts on the same sid..
a lightning bolt carrying 20000 A lasts for 20 microseconds. if the lightning strikes a tractor, determine the charge on the tractor if the tires are assumed to be perfect insulators.
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 six
A 400-V three-phase, wye-connected synchronous motor delivers 12 hp at the shaft and operates at 0.866 lagging power factor. The total iron, friction, and field copper losses are 1200 W.
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