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A three resistors connected in series with a DC power supply of 12 volts with a return path to the negative terminal of the power supply also connected to ground. The first resistor is labeled "R1", which is equal to 220 Ohms. The second resistor is labeled "R2" with unknown resistance value. The third resistor is labeled "R3" with unknown resistance value. Resistor 1 which runs horizontally across the top of the circuit has label "R1" with a resistor value of "4 k ohms". Resistor 2 which runs vertically across the right side of the circuit has label "R2" with voltage drop value of 7.0 V. Resistor 3 which runs horizontally across the bottom of the circuit has label "R3" with voltage drop value of 7.0 V. The circuit is grounded at the negative lead of the power supply. Determine the current in the circuit .
An unknown semiconductor has Eg = 1.1 eV and Nc = Nv. It is doped with 10^15 cm^-3 donors where the donor level is 0.2 eV below Ec. Given that Ef is 0.25 eV below Ec, calculate ni and the concentration of electrons and holes in the semiconductor a..
Electrons in solids have negative potiental energies with energy of a free electron (this means that these electrons needs to gain energy to liberate themselves from the solids ).
Three -phase motor is connected to a three-phase power source that has an abc phase sequence. the first load is a wye-connected, three-phase motor withdrawing a line current of 20A at a 0.8 lagging power factor.
The magnitude of the acceleration of the block is 1.93 m/s^2 (a) Find the coefficient of kinetic friction between block and plane? I got 0.393 but it is wrong. (b) Find the speed of the block after it has slid 1.90 m
You want to download a 5 Mbit file over a 10-Mbps Rayleigh fading channel in the 1800 MHz frequency band. You are traveling at 6 km/h and use 1000-bit packets.
Shuffle a deck of cards and pick two cards at random. Observe the sequence of the two cards in the order in which they were chosen. (a) How many outcomes are in the sample space
A transmission line operating at 125 MHz has Zo = 40 Ω, α = 0.02 (Np/rn), and ß = 0.75 rad/m. Find the line parameters R', L', C', and G'.
The transmission line has an impedance of 600 ohms and is terminated in a load of 600 ohms. The transmitter delivers an average power of 0.1 W to the input of the line.
Write a program to compute the average of an array of N 8-bit numbers and store the result at $1001. The array is stored at memory locations starting from $1010. N is no larger than 255. Assume N is stored in the memory location $1000.
What is the approximate discrete-time equation the models the continuous-time impulse response for fs=1kSa/s and RC=10^-2?How to solve this problem?
What are the names of the three regions of the bipolar junction transistor Why is there a thin region of one material type "sandwiched" between two layers of the opposite material type
At the instant shown, car A has a speed of 20km/h, which isbeing increased at a rate of 300km/h2 as the car entersan expressway. At the same instant, car B is decelerating at250 km/h2 while traveling forward at 100 km/h.
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