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For the network of given figure:
a. Find the current through the 2-Ω resistor.
b. Convert the current source and 4-Ω resistor to a voltage source, and again solve for the current in the 2-Ω resistor. Compare the results.
Consider the circuit of Figure P4.28 in which the switch has been closed for a long time prior to t = 0. Determine the values of vC(t) before t = 0 and a long time after t = 0.Also, determine the time constant after the switch opens and expression..
A buck converter is supplied by a DC source of 48V. It produces an output voltage of 18V across a 10? load resistor. Assume that the capacitor is large enough so that the output voltage is kept constant. Determine the duty cycle D.
A coil having an inductance of 10uH is intended for applications around 1-MHz frequency. Its Q is specified to be 200. Find the equivlent parallel resistance R. What is the value of the capacitor required to produce responance at 1MHz
Compute the inverse Fourier transform for X(ω) = cos 4ω. 5. A signal with the highest frequency component at 10 kHz is to be sampled. To reconstruct the signal, the sampling must be done at a minimum frequency of?
A signal is to be sampled with an ideal sampler operating at 8000samples per second. Assuming an ideal low pass antialiasing filter,how can the sampled signal be reconstituted in its original form,and under what conditions
The general belief is that the system exhibits a sharp phase transition from free flowing to fully jammed, as a function of initial density of cars. The existence of this sharp transition has been cited in the scientific literature several hundred..
A sinusoidal voltage source is zero at t = 0.2 microseconds and is "going positive" at that point, meaning that v(t') > 0 for t' = 0.21 microseconds. Furthermore, the voltage at t = 0 is -28 milliVolts and its next zero is at t = 8.2 microseconds
Find the interface conditions required for the polarization vector at the interface between two dielectrics of permittivity ε1 and ε2. First, assume no free charges on the interface and then allow for existence of free charges on the interface.
A 75 hp, 60 Hz, 2300 V, 20 A, 2 pole, wye connected, design B induction motor with code K delivers rated horsepower at 3500 r/min. Assume the phase angle of the locked-rotor impedance is 75 degrees.
Consider a circuit that is connected to a phasor of 120V/0 degrees. The circuit feeds a 10 ohm resistor on the "hot" lead and then the circuit branches. One branch has a 0.1 A /-300 degree phasor current source (oriented with "arrow oriented right..
A lot of size N= 30 contains three nonconforming units. What is the probability that a sample of five units selected at random contains exactly one nonconforming unit what is the probability that it contains one or more non conformances
If each packet carries 1000 bitsof data, the distance between the sender and receiver is 5000km,link speed is 1Mbps, and the propagation speed is2x108 m/s. Assume no data or control frame is lostor damaged. Ignore transmission time for ACK.
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