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For the network of given figure:
a. Find the mathematical expression for the voltage across the capacitor after the switch is thrown into position 1.
b. Repeat part (a) for the current iC.
c. Find the mathematical expressions for the voltage vC and current iC if the switch is thrown into position 2 at a time equal to five time constants of the charging circuit.
d. Plot the waveforms of vC and iC for a period of time extending from t = 0 to t = 30 ms.
Find the armature current.
Assume we have an N-bus power system and we know the N x N zero-sequence, positive-sequence, and negative sequence matrices for the system. Write a MATLAB program to find the system bus voltages during a (a) 3-phase balanced short circuit fault at..
Box 1 contains 1000 transistors, of which 100 are defective, and box 2 contains 2000 transistors, of which 100 are also defective. A box is taken at random and two transistors are drawn from it, at random and without replacement.
A runner should STEAL a base if and only if the manager pulls his EAR and BOWs while patting his HEAD, or if he lifts his LEG and pats his HEAD without BOWing, or anytime he pulls his EAR without lifting his LEG. Sketch a minimal circuit that coul..
Assume all your standard value resistors are accurate to 0.1%. What would be the worst-case variation in overall resistance for your design (both high and low). How might you construct a resistive network using the smallest number of standard resis..
If the amplifier is fed from a voltage source Vsig having a resistance Rsig = 1kΩ, find the transfer funtion Vo/Vsig as a function of the complex-frequency variable s and hence the 3-dB frequency fH and the unity-gain frequency ft.
What is the minimum bandwidth needed to achieve a data rate of 8 bits/ second if the signal is transmitted using NRZ, MLT-3 and Manchesster encoding
Describe how to measure Rin of a amplifier in the lab at a signal frequency of 500kHz with only an oscilloscope as a test instrument. A DMM may not be used.
A pool of 200 frames exists for paging of processes A, B, C, D, and E. The processes' page sizes are 100, 200, 50, 150, and 500, respectively. Assuming proportional frame allocation is being deployed, how many frames are allocated to process D
Design the simplest circuit that has three inputs x1,x2, x3, which produces an output value of 1whenever EXACTLY one or two of the input variables have the value1; otherwise, the output has to be 0.
Use PSPICE to generate the ideal current-voltage characteristics of a diode from a reverse-bias voltage of 5 V to a forward-bias current of 1 mA, for an IS parameter value of (a) 10 15 A and (b) 10 13 A. Use the default values for all other parame..
Point charge in a conducting shell. A point charge +q is located inside a very thin conducting spherical shell halfway between the center and the shell shown in Figure 5.46. Assume the conducting shell is at zero potential.
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