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Answer to Electrical and Computer Engineering question: Laplace Transform
There may be a few characters missing in the questions below but this is what should be used to come up with answers.
1) Determine the Laplace transform of f(t) = +5e^-4t + 12sin 3t.
2) If the voltage across a 2 F capacitor is initially zero, what is the instantaneous power if the current is A?
3) The charge in a certain inductor varies as q = 2 sin 2t C. What is the voltage if the inductance is 2 H?
4) The current flowing through a 2 F capacitor is i(t) - 5 cos 2t amps. What is the voltage?
5) The voltage across a 2 F capacitor is v = 20e^-4t volts. What is the instantaneous power?
6) What kind of damping is associated with f(t) = (A+Bt) e^wt?
Murray Loop Test and Locating Faults, Q.1 (a) Using the Murray Loop test, determine the distance to an earth fault on one of the cores of a uniform three-core underground cable. Ra = 2 ohms, Rb = 1 ohm
Block diagram and equations for control system water fill, Develop a control system to fill a container with water after it is emptied through a stopcock at the bottom
Modify the state diagram branching conditions in the diagrams below as needed to ensure the sum and exclusion rules are obeyed in each case.
The voltage and current in the Laplace domain for a certain system is given by V (s) = 1/12 1/s^2 +3, I(s) = s/s^2+3. Is this system best described as resistive, capacitive, or inductive?
Determine the capacitance required in a half wave rectifier to produce a ripple voltage less than 0.2V. Assume that the input is a 60Hz signal with maximum voltage VM=100V
Analyzing the Blink Alive code - Embedded Systems Design
Digitizing an Audio Signal, PAM, ADC, An audio signal has a bandwidth that extends from 100 Hz to 10 kHz. The signal is sampled to create a PAM signal and then digitized by an analog to digital converter (ADC) that has 8 bits.
Plot the magnitude response (in dB) and the impulse response of the designed filter using MatLab.
Give three advantages of a three-phase system over a single-phase system There are two basic three-phase connections, the wye connection and the delta connection. Draw a labelled diagram showing the wye connection
Current to Voltage Op Amp Circuit, A 12-bit DAC (Digital to Analogue Converter) gives an output range of 0 to 1 mA for a digital input word of 0 to 4095
Explain briefly from what you notice about the digital output values in (a) why a digital output value of an A/D converter is rarely the exact same digital value as the analogue input value.
You are required to determine that this next generation transmission system will require a spectral efficiency of 5 bits/sec per Hertz.
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