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A silicon wafer is uniformly doped with 5.5 X 10^16 phosphorusatoms/cm^3 and 4.5 X 10^16 boron atoms/cm^3.
a) Find the electron and hole concentrations, the electrons andhole mobilities, and the resistivity of this silicon material at300K.
b) Is this material n or p type?
the nature of resistance and expalin why the resistances are not exactly what the color code says it is. Also, explain what effect a resistance has on the voltage of a circuit, as well as the current.
What is the resistance of an annealed copper wire that has a length of 500m and a diameter of 0.5 mm. How a diameter two times smaller affects the resistance.
Use a K-Map to design a circuit that has two operations. In mode 1, it outputs the value of the 3-bit input multiplied by 3. In mode 2, it outputs the number of 1's in the 3-bit input. Design a circuit that implements this function.
Suppose you have a set of 10 symbols. Assume that in an average text each symbol appears as frequently as any other. (i) What is the relative frequency of each symbol (ii) What is the entropy of this symbol set
Design a 2-bit Ripple Carry Adder (RCA) using half adders or full adders as building blocks. You may use NOT gates, ANDgates, and OR gates only. Do not use XORor XNOR gates. There is no restriction onthe number of inputs to the AND and OR gates.
Compare the three rectifier ( half wave, full wave and bridge rectifier) to design a 20 V supply with 1V ripple for a 1Kiloohms load. In the comparison look for the filter capacitor, transformer turn ratio n and the PIV of the diodes.
Design a static CMOS inverter with long channel transistors and a. switching voltage VM of 0.6 VDD. What is the resulting ratio of WP/WN b. switching voltage VM of 0.45 VDD. What is the resulting ratio of WP/WN
Using the expression relating the rate at which current changes in an inductor to the voltage produced at it, find the voltage across the inductor when a switch supplying 7.9 A to a 2.4 mH inductor is suddenly opened.
In most situations it is also desirable to send information from the process to be controlled--in this case the 500-gallon tank--to a central station for processind and storage. this information can be transmitted and processed in different ways.
Find the output voltage of an amplifier if the applied voltage is 20 mV and a dB gain of 22 dB is attained. a. Determine Vo at a frequency one octave above the critical frequency. b. Determine Vo at a frequency one decade below the critical frequency..
An AC motor with impedance Z = 4.2 + j3.6 Ω is supplied by a 220 V, 60 Hz source. Determine the reactive power delivered to the load.
The output response for a system is given as Vo(t) = A(1-e^-at)sin(ωt). Is this a proper representation for an output response given that it contains a sinusoidal term? Fully explain your answer.
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