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A load operating at 2300 V rms draws 28 A at a power factor of 0.812 lagging. Find (a) the peak current in amperes; (b) the instantaneous power at t=2.5 ms assuming an operating frequency of 60 hz; (c) the real power taken by the load.
Design and simulate a power supply that takes line voltage and produces a 15V output with less than .5% ripple voltage.
A temperature sensor measures from -44 f to 212 F with an output of 0-5 v. If an 8 bit ADC is used, what is the converter output for a temperature of 25 F
Compute the unit-pulse response h[n] for the discrete-time system y[n+2]2y[n+1]+y[n]=x[n] (for n = 0, 1, 2, 3).
An NMOS differential pair is biased by a current source I = 0.2 mA having an output resistance Rss = 100 K ohm. The amplifier has drain resistances Rd = 10 k ohm. using transistors with k'nW/L = 3 mA/V^2 and ro that is large.
Design a vending machine controller. The machines sells coke and pepsi. The cost is 25 cents, accepting dimes and nickels. When a dime is inserted the input D is asserted. When a nickel is inserted the input N is asserted.
For a certain population of students taking the Miller Analogy test, it is found that the scores are normally distributed with a mean of 50 and a standard deviation of 5. What is the score on this test that is the cutoff value for the top 12 perce..
An AAC is composed of 37 strands, each having a diameter of 0.333cm. Calculate the DC resistance in ohms per km at 75oC. Assume that the increase in resistance due to spiralling is 2%.
A 10-mV signal source having an internal resistance of 200 kO is connected to an amplifier for which the input resistance is 20 kO, the open-circuit voltage gain is 2000 V/V, and the output resistance is 1 kO. The amplifier is connected in turn to..
A series circuit consisting of a 0.398-henry inductor and a 212-µF capacitor is connected to a 125-volt variable frequency source. At what frequency will the circuit take a lagging current of 2.5 A
The voltage and current at the terminals of the circuit element are zero for t 0 they are v = 90-90e^(-1000t) V i = 50e^(-1000t) mA A) Find the maximum value of the power delivered to the circuit B)
For Each Pair of Second-order systems specifications that follow, find the locations of the second order poles a) Overshoot %= 12% , Ts= 0.6 seconds b) Overshoot %= 10%, Tp= 5 seconds c) Ts= 7 seconds, Tp= 3 seconds
A doorbell is connected to a transformer whose primary contains 3000 turns and which is connected to 120 VAC. If the doorbell requirs 0.2 A at 10 V, find the number of turns necessary for the secondary winding and the current that flows in the pri..
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