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Using the Chebyshev inequality, predict how many samples you'll need to take from an exponential distribution in order to obtain, with a probability of at least .95, an estimate of accurate to one percent. Assume that you know that is less than 2 and greater than .5.
A discrete periodic signal shows the signal characteristics in one period as below. find the Fourier Series (FS) of this signal in frequency domain. write down in detail of your procedures. 1; n=1 0; n=0 x[n]{ -1; n=1 1/2; n=2 3; n=3.
A data acquisition system is placed in the vicinity of a noise- and interference-producing source (such as an AC motor, a fluorescent light, high power transmission lines, or any EMF radiator).
For loads causing more than 1 V to appear across the generator, the output current is no longer assured but will be reduced by some unknown amount. This circuit limitation, occurring, for example, at the peak of a sine wave signal
a) What are the FIVE requirements for synchronizing the alternator tot he grid b) What should happen once the synchronous alternator is synchronized At that very instant, what should happen if the above five conditions are met
DC-DC converter. You have 10 capacitors, each 1F. If you charge them in parallel from a 5V power supply, and then disconnect them and reconnect them in series: a. What is the equivalent capacitance seen by the power supply while charging.
A low pass filter has a cut-off frequency of 8 kHz and a high pass filter has a cut-off frequency of 5 kHz. These two circuits are connected back to back in cascade to form an input-output system. How does this combination work, band pass or band ..
The Problem: An Electric Heater is connected to a constant 250-V source and absorbs 1000 W. Subsequently, this heater is connected to a constant 210 V source.
A 150-MVA 15/200-kV single-phase power transformer has a 0.018ohm resistance and a 0.075ohm reactance. The magnetizing impedance is j80 per unit. a.) Find the equivalent circuit referred to the low-voltage side of this transformer.
A balacnced, three-phase, delta-connected load is supplied by a balanced, three-phase, wye-connected source over a balanced three-phase line. the source voltages are in abc phase sequence in which Van is 19.94
Design a buck converter that has an output of 12 V from an input of 18 V. The output power is 10 W. The output voltage ripple must be no more than 100 mV p-p. Specify the duty ratio, switching frequency, and inductor and capacitor values.
Estimate the diffusivity of a spherically shaped protein with a MW of 36,000 in water at 37oC.
A magnetic flux of 400 microwebers passing through a coil of 1200 turns is reversed in 0.1 sec. Calculate the average value of the e.m.f induced in the coil.
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