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Suppose that one wishes to use reverse osmosis to reduce the salt content of brackish water containing 0.22 Mtotal salt concentration to a value of 0.01 M, thus rendering it usable for human consumption. What is the minimum pressure that needs to be applied in the permeators (Figure)to achieve this goal, assuming that the operation occurs at 298 K?
The air-gap length g = 5.00 mm. Calculate the magnetic field intensity H (hint: use Ampere's law), the flux density B, and the flux per pole f. Use the correct SI unit for each quantity. The iron parts have a permeability that is about 4000 fo, so..
a. Draw the block diagram for a coherent receiver for QPSK using the same basis signals as in problems ("What frequency must be used for basis symbols f1 = sin(pi*ct) and f2 = cos(pi*ct) with a symbol period of 1/(9600Hz) to contain 6 cycles of th..
The voltage across the load must remain between 4.7 and 5.0 V for all values of load current. Design a voltage-divider network to supply the load. You may assume that resistors of any value desired are available.
A dc current of 200 mA is switched into a circuit at t=0 write the expression for the circuit i(t) and sketch it A dc voltage of 12 V is switched on at t=5 s, write the expression for the circuit e(t) and sketch it A dc current of 80 mA is switched o..
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.
Digital circuits are not really digital. They areactually analog circuits that are designed to approximate digital functions. i) Explain why digital circuits must allow for a range of analog values in order to represent a binary 1 or 0.
The river estuary is tidal causing the surface level of the water to rise and fall. At certain times of day, reflections from the water surface cause deep fading of the received signal.
is it better to have several small wires conducting electricity or one big wire of the same cross section or better
Can you do a survey paper on Wavelet and Subband Coding - I need 10 pages and I will provide the references.
What would be the initial value of v c (t) when switch is closed and determine the time constants in both cases (switch is open, switch is closed).
What are the distinguishing features of the response in the pass-band? What are the distinguishing features of the response in the stop-band? What is an all pass filter?
A 2-MHz carrier is modulated by a music signal that has frequency components from 20 Hz to 8 kHz. Determine the range of frequencies generated for the upper and lower sidebands of AM signal.
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