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You are given a black box, a 6 k Ohm resistor, a 40 nF capacitor, a voltmeter, and an ammeter. With these supplies you complete the following measurements at 950 Hz:
You place the resistor and capacitor in series and measure a current flowing from the black box of 2.2 mA rms with a phase angle of 55 degrees.
You place the resistor and capacitor in parallel and measure a voltage across the terminals of the black box of 15.1 V rms with a phase angle of 9.8 degrees.
You place the ammeter in series with the black box and measure a current flowing from the black box of 14 mA rms with a phase angle of 15 degree.
The total current in a semiconductor is constant and is composed of electron drift current and hole diffusion current. The electron concentration is constant and is equal to 10^17 cm^-3. The hole concentration is given by p(x)
Perform a link budget for a 25-kilometer point-to-point microwave link in the 30 GHz band. Calculate the free space loss (dB), received power dBm), fade margin (dB), and Fresnel zone radius(m) given the following: Tx Power = 70 dBm
The Boston Celtics have won 16 NBA championships over approximately 50 years. Thus it may seem reasonable to assume that in a given year the Celtics win the title with probability p=0.32, independent of any other year.
Some research data is provided to you for the purpose of learning to use Matlab features of polynomials and curve fitting, file name: mydata You may load the data to your computer by typing mydata =load(‘path of the mydata').
Find the impulse response fpr the filter? How many nonzero terms does the impulse response contain?
The resistance of the filament of the bulb, measured with a standard multimeter, is 16.7 ohms. When the bulb is connected into the circuit and is operating at the rated values given above determine a) the resistance of the filament b) the efficien..
If R2 = 2R1, R3 = 3R1 and the total power taken by the circuit is 480 watts. Calculate the power in each resistor
A 100-watt motor (60% efficient) is used to raise a 100-kilogram load 5 meters into the air. If the task takes 65 seconds to complete, how heavy was the load in units of kilograms
Calculate the location of Ei in silicon at liquid nitrogen temperature(77k), at room temperature 300k and at 100 degree celsius (let mp =1.0mo and mn= .19m0) Is it reasonable to assume that Ei is the center of the forbidden gap
An electric flux of 151 Nm2/C passes through a flat horizontal surface that has an area of 0.715 m2. The flux is due to a uniform electric field. What is the magnitude of the electric field if the field points 10.3° above the horizontal
Suppose a data array has 30 numbers sorted from low to high already, where no two numbers are equal. We need to search whether any of the two randomly given key numbers, key1 and key2 is in the array. If yes, then find out the position index(es) f..
You have to figure out which one using cross or auto correlation.
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