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An intrinsic semiconductor (Si) is doped with a p-type impurity. The minority carrier population in that material at room temperature is measured to be 11250 per cm^3. Given that, at room temperature, the hole mobility in Si as 350 cm^2/Vsec and ni= pi = 1.5 × 10^10 per cm^3, determine the electrical resistivity of the doped semiconducto?
A BC has CR of 15:1 with a high temperature of 1.6x10^3 K and the inlet at 290 K, 10^5 Pa. Use cold air properties and find the specific heat addition and specific net work output.
Given an operational amplifier consisting of R and L in series for Z, and C for Z ‘.If the input is a constant V, find the output vo as a functionof time. Assume an infinite open-loop gain.
A conducting sphere in free space has a radius of a= 10cm. the capacitance of the isolated sphere is C= 4oa. now let's coat the sphere with a dielectric with fr= 3, and the thickness of the dielectric layer is d.
The boom AC is supported at A by a ball and socket joint and by two cables BDC and CE. Cable BDC is continuous and passes over a pulley at D. Calculate the tension in the cables and the x,y,z components of the reaction at A if the crate has a weig..
A temperature sensor has a static transfer function of 0.15mV/C and a time constant of 3.3s. If a step change of 22 degrees to 50 degrees C is applied at t=0, find the output voltages at .5s, 2.0s, 3.3s, and 9s. What is the indicated temperature a..
Shortest distance between two points. LetP1=(x1,y1) andP2=(x2,y2) be two given points.Find the third point P3(x3,y3)such that d1=d2 is minimized, whered1 is the distance from P3 to P1and d2 is the distance from P3 toP2.
1. What should the length of an antenna be if it is going tobe used to send data at 145.01MHz, assume a 1/4λmonopole antenna is used. 2. The impedance of an antenna was measured as z = 17 -j470Ω what does this mean
A manufacturing plant has a 600V, 60Hz supply and the following loads: Lights: 24kW Electric furnace: 4.8 + j6.4 with a current of 150A Motor loads, 160kW at 0.8 Power Factor, lagging. What is the real power, reactive power, and aparent power
an N-type silicon substrate with doping density of 1015 cm-3 Arsenic is to be converted in tp p-type by Boron diffusion so the resistivity at T=75C is 5Ω-cm all atoms are fully ionized
An AC voltage of 240 volts at frequency of 60 Hz is applied to a 50- μF capactor. Determine the amount of AC current flow in the circuit.
Two input capture events occur at counts 0x1037 (first event) and 0xFF20 (second event) of the free-running counter. How many counts, in decimal, have transpired between these two events
A signal y(t) is defined as y(t) = box(t/1.1) * box(t/0.9) * box(t/0.8) * box(t/1.2) where * denotes convolution and the signal box(t) is box(t) = u(t+0.5)-u(t-0.5). -Determine y(1.0) -Determine max(y(t)) -Determine the definite integral of y(t) o..
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