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A full-wave rectifier is to be designed usingthe bridge circuit configuration. The peak output voltage is to be 9 V, the nominal load current is to be 100 mA, and the ripple voltage is to be limitedto Vr= 0.2 V.Assume Vγ= 0.8 V and let vI= 120√2sin[2π(60)t] (V). (a) What isthe transformer turns ratio? (b) What is the minimum valueof C required? (c) What is the peak diode current? (d) Determine theaverage diode current. (e) What is the PIV rating of the diodes.
A silicon semiconductor resistor is in the shape of a rectangular bar with a cross sectional area of 1x10^-6 cm^2 a length of 0.1 cm and is doped with a donor concentration of 5x10^16 cm^-3.
An inverting op amp has Ri = 20 k Ohms, Rf = 500 k Ohms, and Req (resistor between + input terminal and ground) = 19 k Ohms. How much does the offset voltage increase if Req is replaced by a short circuit
1.Name and characterize the main source working regimes and write down working regime conditions. 2.Write down the electrical source efficiency factor expression using the parameters of the source and consumer.
The current in the bulb depends on the time t according to the relation I = (0.807 A) sin [(272 rad/s)t]. (a) What is the frequency of the alternating current (b) Determine the resistance of the bulb's filament. (c) What is the average power deliv..
Determine which waveform in each pair is lagging: a) 6 cos(100πt-1000) and -6 sin (2π60t+1300)b) cos(10t-1000) and - cos(t-1000) c) cos (50πt - 1000) + cos (50πt - 200) and 9 cos (100πt - 200)
a) Determine the numerical value of To. b) What is the average value of f(t) over the interval 0≤t≤To c) Determine the amplitude of the fifth-harmonic component. d) Determine the phase of the fifth-harmonic component.
A solar pond consists of a thin layer of fresh water floating on top of a denser layer of salt water. When the salty layer absorbs sunlight it warms up and much of that heat is held there by the insulating effect of the fresh water above it
A three-phase substation transformer operating at 34.5kV is loaded to 24 MVA. What is the per-phase current? (assume balanced conditions)
A three-phase round-rotor synchronous generator, rated 10kV, 50MVA, has armature resistance R of .01 per unit and synchronous reactance of Xd of 1.65 per unit. The machine operates on a 10-kV infinite-bus delivering 2000 A at 0.9 PF leading.
A HCS12 embedded timer is in PWM mode. If the E-clock is 24 MHz, and a scaler value of 16 is selected, what is the period for a signal with PWMPER = 0x75
Use this table of part c to determine the mean, median, and mode of the grouped data. Compare your results with those in part A, and comment. E. use the frequency table of part C. to determine the variance and the standard deviation of the groupe..
Determine the left triceps muscle force (Ftri), elbow joint reaction force (Rj) required to hold this position along with any ground reaction forces (Rg) and/or reaction moments (Mg) in the hand. Show all necessary free body diagrams along with th..
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