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A Si bar is 0.25 cm long and 500 ?m2 in cross-sectional area. It is grounded at x=0 and biased at +20V at x=0.25 cm. Find the resistance and the current at 300K (a) when the Si bar is doped with 2&t
One reason that the maximum electric field is important is because of the possibility of impact ionization, which may be desired or undesired in a particular application. The process of impact ioniz
Convert the following to hexadecimal 1600 sub script 10 2. compute the sum of the following pairs of signed 6-bits binary numbers. In parallel, show the operands and the answer in decimal. Indicate
If a circuit contains 3 automatic switches and we want that, with a probability of 95%, during a given time interval they are all working, what probability of failure per time interval can we admit
Three screws are drawn at random from a lot of 100 screws, 10 of which are defective. Find the probability that the screws drawn will be nondefective in drawing (a) with replacement, (b) without rep
Find the sample space for the experiment: Drawing bolts from a lot of 20, containing one defective D, until D is drawn, one at a time and assuming sampling without replacement, that is, bolts
he real power delivered by a source to two impedances, Z1=3+j4 ohm and Z2=10 ohm, connected in parallel, is 1100 W. Determine (a) the real power absorbed by each of the impedances and (b) the source
a DC motor turns at a speed of 1460 rpm and produces an output torque of 3.0Nm. The DC voltage applied to the motor is 100V and a current of 5.1A flows through the motor. A. What is the efficiency o
A JFET has the following ratings: gm0 = 4000µs at VGS off ( ) = 6 Volts and gm0 = 2000µs at VGS off ( ) = 2Volts. The component is used in a common source amplifier with values of
(a) Design a simple PNP current source to give an output current of IO = 0.5 mA (nominal value). The transistor parameters are f = 50, VEE = 10 V, VCC = 10V, |VBE| = 0.7 V, |VCEsat| = 0.3 V and VA =
A certain transducer is modeled with a source Vs and series resistance Rs. The voltage at its terminals is measured with a DVM having internal resistance Ri = 100 Mega ohms and is found to be 12.5 m
A two-resistor voltage divider consists of a 10 k and a 15 k ohm resistor, with the 10 k resistor connected to the voltage source and the 15 k resistor connected to ground. If the output voltage is
1. Find the volume of a frustum of a pyramid with square base of side 17, square top of side 9 and height 14.2. The base of a solid is a circular disk with radius3. Parallel cross sections perpendicul
Suppose a signal is sampled at 1 kHz and you compute the DFT of the signal using 1000 signal samples. What frequency in Hz corresponds to the 150th value of the DFT
Describe the features of your organization that indicate which kind of organization it is. Describe five steps your organization could take to become better and move up in the scale. Do you think it
50 kmol per hour of air is compressed from p1 = 1.2 bar to P2 = 6.0 bar in a steady-flow compressor. Delivered mechanical power is 98.8KW. Temperature and velocities are: T1= 300K T2= 520K u1= 10m s
1. Derive boundary conditions for electric fields (both for tangential and normal components) 2. Derive boundary conditions for magnetic fields (both for tangential and normal components) 3. Why bound
A small circular parabolic reflector, often referred to as dish, is now being advertised as a TV antenna for direct broadcast. Assuming the diameter of the antenna is 1 meter, the frequency of opera
Show the design of a 2-1 Mux: (a) using a NAND/NAND implementation, (b) using a NOR/NOR implementation. Which would you prefer to build and why Assume that you have all variables and their complemen
Multiple charges at different locations are said to be in equilibrium if the force acting on any one of them is identical in magnitude and direction to the force acting on any of the others. Suppose
A certain lossless transmission line is terminated in a normalized load impedance of ZL,n = 0.5 j2 ohms. Use a Smith Chart to determine the answers to the following questions. Mark the positio
Write and test a C program that outputs a waveform that switches from 10.0 kHz with a 50% duty cycle to 25.0 kHz with a 5% duty cycle every 5 seconds. Your code design must be modular - initializati
A certain transmission line is 10 meters long. Measurements indicate that the total inductance of the cable is 16 H. Standing wave measurements indicate that the voltage reflection coefficient at th
Given the following function in canonical SOP form, h = a'bc' + a'bc + ab'c + abc' + abc use Boolean algebra to simplify h down to a minimum SOP expression that contain only 2 terms and 3 literals.
The voltage across a certain load is V =1200*sqrt(2)*30 V, and the load impedance given by Z = 40 j30 ohms . Is the load inductive or capacitive Determine the power factor, complex power, real power