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A power plan burns coal, oil and gas to generate electricity. Suppose that each ton of coal generates 800kilowatts, emits 20 units of sulpher dioxide and 15 units of particulate matter, and cost P200. Each ton of oil generates 550 kilowatts, emits 18 units of sulpher dioxide and 12 units of particulate matter and costs P220. Each ton of gas generates 550 kilowatts, emits 15 units of sulpher dioxide and 10 units of particulate matter and costs P250. The environmental protection agency restricts the daily emission of sulpher dioxide to no more than 60 units and no more than 70 units of particulate matter. If the power plan wants to spend no more than P2,000 per day on fuel, how much of each type should be used to maximize the amount of power generated?
Dynamic microphone changes sound into an electrical signal - Determine the Thevenin Equivalent circuit as seen from terminals A and B in the sketch
A PCM-TDM system multiplexes 32 voice band channels each with a bandwidth of 0-4kHz. Each sample is encoded with an 8-bit PCM code. UPNRZ encoding is used.
The acceleration of a particle is defined by the relation a = -k/x . It has been experimentally determined that v = 15 ft/s when x = 0.6 ft and that v = 9 ft/s when x = 1.2 ft. determine (a) the velocity of the particle when x = 1.5 ft
Example: A GSM receiver exhibits a baseband flicker noise corner frequency of 200 kHz. Determine the flicker noise penalty.
Determine the rms value of the supply current. Find v(t) and i(t). Determine the power from the supply and supply power factor.
A 20V voltmeter with a sensitivity of 10,000 ohms / volt rating and a 5A ammeter are used to measure the power being dissipated in a dc circuit. The voltmeter reads 13V and the ammeter 2.1A.
A voltage of 6e-2000t V appears across a parallel combination of a 100-mF capacitor and a12 ohm resistor. Calculate the power absorbed by the parallel combination.
Load 1: Wye-connected load that consumes atotal 3-phase power of 3.6 kW at 0.8 power factor lag, when the generator voltage is set so that the voltage at the load is 480volts line-to-line. Load 2: Delta connected load that consumes 2kW+ j1 KVAR of..
The message signal x(t), in the following system has a nabdwidth of 10kHz. The center frequecy of the Narrow Band Frequency Modulated (NBFM) signal nbfm(f) is 1Mhz, the frequency deviation f1=1khz and the amplitude of the NBFM signal is 1V.
Show that the response is able to follow the input with a steady state delay of Determine the value of steady-state error 60m/s.
ENGR 201: Calculate the voltages of each node on the circuit, with reference to ground. Use the following procedure for each circuit. Note that F1 is a current controlled current source (CCCS).
Determine the net receiver gain for an AM receiver with an RF input signal power of -87 dBm and an audio signal power of 10dBm
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