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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 expressions for vC(t). Sketch vC(t) to scale versus time for 0.2 ≤ t ≤ 0.5 s.
I)Design a circuit that gives you the following relation between input and output Vout = 2.17Vin + 5 Here are the constraints you need to work with: 1) Only one power supply that gives ±12V is available 2) Available op-amps run on ±12V
Compute the polar form of the impedances shown below in rectangular form in parts a and b, and compute the rectangular form of the impedances shown below in polar form in parts c and d
Design an amplifier to sense open-circuit output voltage from a transducer and provide proportional current through a load resistor. The series resistance of the transducer is a range between 1 kOhms and 10 kOhms.
Watts in Cassette Players, A walker's cassette tape player uses 4 AA batteries in series to provide 6V to the player circuit. The four alkaline battery cells store a total of 200 watts-second of energy.
A large brass washer has a 2 cm inside diameter, a 5 cm outside diameter, and is 0.5 cm thick. Its conductivity is s=1.5 X 107 S/m. The washer is cut in half along a diameter, and a voltage is applied between the two rectangular faces of one part.
In a unity feedback system, the open-loop transfer function is of the form G_ol(s)=k/(1+s/Omega_p) Calculate the bandwidth of the closed-loop transfer function. How does the bandwidth depend on k and Omega_p
Consider the circuit shown in the figure below. Suppose that R1 = 6Ω , R2 = 13Ω and R3 = 17Ω. Determine the mesh current i1. Express your answer to three significant figures and include the appropriate units.
Compute numerically and plot the average power as a function of the target rate for different L to get a sense of the amount of gain from having multiple receive antennas. Qualitatively describe the nature of the performance gain.
even if we have plenty of land available to develop onshore wind resources are there still advantages to building
Using the items that make up a science class magnet (wire, a nail, and a small dry cell battery) as examples, explain the factors that affect the strength of a magnet.
Three loads are connected in parrallel across a 250 Vrms line. Load 1 absorbs 16 kW and 18 kVAR. Load 2 absorbs 10 kVA with a power factor of 0.6 leading. Load 3 absorbs 8 kW with a power factor of 1.
When attached to adirect current supply of 120V. What value of current does each bulb draw What is the total current drawn by the bulbs If one bulb burns out, does the current through eachremaining bulb increase, decrease or remain the same
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