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A doorbell is connected to a transformer whose primary contains 3000 turns and which is connected to 120 VAC. If the doorbell requires 0.2 A at 10 V, find the number of turns necessary for the secondary winding and the current that flows in the primary.
Use a K-Map to simplify the function F(A,B,C,D) = Σ(0,1,2,3,8,9,10,11). Design a circuit that implements this function. Write the VHDL code.
Consider a uniformly charged sphere of radius R1 with a spherical hole of radius R2 displaced a distance x0 from the center. Let ρ be the charge density. a) What is E on the x axis as a function of x
A cell phone transmits voice signals on a carrier. the transmissions lie inbetween 900MHz to 900.03MHz. What minimum sampling rate should be choosen so that the transmisions will be recoverable from the digital samles
Calculate the small-signal voltage gain at the two ends of the range.
Find the rpm of the motor if it is lifting a 4-oz load by a string over a 3-in. radius pulley.
The results of open-circuit and short-circuit tests on asingle-phase, 25kVA 440V / 220V, 60Hz transformer are as follows: Open-circuit test (primary open-circuited, with instrumentation on the secondary side): 220V, 9.6A, 710W.
A 200 nm oxide film is deposited on a 500 m thick bare silicon wafer that has a radius of curvature of 300 m. After deposition, the radius is measured to be 200 m. A 600 nm nitride film is now deposited on the oxide
For the circuit shown, find the input voltage Vs such that the current through R4 is 12A. R4=5 Ohms, R11 = 10 Ohms, R21 = 10 Ohms, R34 = 2 Ohms
Use a modulation index of 50 percent and a sampling rate of 160 kHz. In this project, develop a coherent demodulation for the modulated signal. Assume there is no channel error.
The switch in the attached circuit has been in position x for a long time. At t = 0, the switch moves instantaneously to position y.a) Construct an s-domain circuit for t > 0.
design a digital logic circuit to control the electrical power of the ignition system in a speed boat engine. the
Design a datapath that consists of four four-bit, general-purpose registers and one four-bit processor status word (PSW) register. There are four status bits, carry, overflow, sign, and zero; these will be stored in the four bits of the PSW.
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