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The Zener diode shown in Fig. 3.10a has a voltage breakdown of 100 V with a maximum rated current of 20 mA. If the supply voltage is 150 V, find the range of load resistance RL over which the circuit is useful in maintaining RL at 100 V if Rs = 1.5 kΩ.
Combine the following expressions into a single sinusoid and plot both the combined and original expressions in Matlab across 2 periods. a) 2cos(3t)-cos(3t-pi/4) b) sin(2t- pi/4) + 2cos(2t-pi/3) c) cos(t) - sin(t) d) 10cos((pi*t) + pi/3) + 8cos((p..
A single-phase load is supplied with a sinusoidal voltage v(t) = 200 cos(377t) The resulting instantaneous power isp(t) = 800 + 1000 cos(754t ¡ 36:87±) (a) Find the complex power supplied to the load.
A) An AC sine wave voltage is measured using an AC voltmeterand found to be 10 volts. What is the peak value of this voltage B) What is the rms value C) What is the peak-to-peak value
discuss the differences between FET and BJT transistors. What are the advantages and disadvantages of each kind of transistor What are types of transistors do you know about
Estimate the required radius, R, of each plate. The capacitor is set to the maximum 400 pF and is charged to 10 V through a 50 kΩ resistor. Determine the initial value of current flowing.
Design a human body temperature indicator system for a hospital bed. Your system takes an 8-bit input representing a person's body temperature,which can range from 0 to 255. If the measured temperature is 95 or less, set output A to 1.
A collector modulated transmitter has a supply voltage of 48 V and an average collector current of 600 mA. What is the input power to the transmitter. How much modulating signal power is needed to produce 100 percent modulation
Consider the parallel inductive reactive circuit and Calculate the Zeq, IT , XL2 , XL1, IR1 , IR2, IL1, and IL2.
Explain what the cumulative probability distribution function indicates in this case. If the rms value is given by 2 sigma, compute the percentage of time that a signal is 12 dB or more below the rms value for a Rayleigh fading signal.
Why are overmodulated and carrier suppressed AM signals a problem from the standpoint of the receiver. Why (in what siuations) might DSB-SC be prefered over standard AM.
The terminal voltage of the battery is v=11 +0.5t for t>0. a. Find the energy delivered to the battery during the five hours. b. If electrical energy costs 10 cents/k Wh, find the cost ofcharging the battery for five hours.
A combined-cycle, natural-gas, power plant has an efficiency of 52%. Natural gas has an energy density of 55,340 kJ/kg and about 77% of the fuel is carbon. a. What is the heat rate of this plant expressed as kJ/kWh and Btu/kWh
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