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1. When a bridge rectifier and a capacitor-input filter drive a voltage regulator, the capacitor voltage during discharge is almost a perfect ramp. Why do we get a ramp instead of the usual exponential wave?
2. If the load regulation is 5 percent and the no-load voltage is 12.5 V, what is the full-load voltage?
Three single-phase transformers, each rated 15 MVA, 13.2:66 kV, with a leakage reactance of 0.1 pu, are connected to form a three-phase Y-Δ bank, one side of which is connected to a 120-kV tranmission line and the other side, to three 12-ohm resis..
Write the expression relating the electrical power converted to the mechanical form in a dc motor. How are the electrical power input and mechanical power output different from these powers?
Design an up / down counter with four states (0, 1, 2, 3) using clocked J-K flip-flops. A control signal x is used as follows: When x = 0 the machine counts forward (up), when x = 1, backward (down).
A) Compare and contrast the following serial bus architectures: I2C, CAN, UART. Discuss the hardware implementation, communication protocol, and typical applications of each. B) Explain the concept of bit dominance used in CAN bus.
an N-type silicon substrate with doping density of 1015 cm-3 Arsenic is to be converted in tp p-type by Boron diffusion so the resistivity at T=75C is 5Ω-cm all atoms are fully ionized
Design a sequential system to continuously output your set of eight different digits (01275438) in binary at the rate of one digit per clock pulse.
What is the value of the capacitance that will give a unity power factor when connected to the load?
a. Sketch the spectrum of the sampled signal up to 20 KHz. b. Sketch the recovered analog signal if an ideal (brick wall) low pass filter with a cutoff frequency of 4 KHz is used to filter the sampled signal in order to recover the orig..
For an ideal Zener, is the Zener voltage is 15v and the power rating is 750mW, what is the maximum zener current allowed What is the relationship between base current and collector current called Show the equation relating IC IB and IE
Using a computer simulation, determine the small-signal differential-mode voltage gain and common-mode voltage gain.
(a) Evaluate the line integral of H about the rectangular path P1(2,3,4) to P2(4,3,4) to P3(4,3,1) to P4(2,3,1) to P1 given H = 3z ax - 2x3 az A/m. (b) Determine the quotient of the closed line integral and the area enclosed by the path as an appro..
Calculate: a) the total charge in the device at t = 3 s, assume q(0) = 0 (round to three decimal places) b) the power consumed by the device at t = 1 s (round to three decimal places)
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