Monthly Archives: February 2016

Consider a solid cylindrical rod of length 0.15 m and diameter 0.05 m. The top and bottom surfaces..



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Question

Consider a solid cylindrical rod of length 0.15 m and
diameter 0.05 m. The top and bottom surfaces of the rod are
maintained at constant temperatures of 20°C and 95°C, respectively,
while the side surface is perfectly insulated. Determine
the rate of heat transfer through the rod if it is made of
(a) copper, k 380 W/m · °C, (b) steel, k 18 W/m · °C, and
(c) granite, k 1.2 W/m · °C.


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In MOSFET fabrication, the channel length is defined during the process of (A) Isolation oxide…



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Question

In MOSFET fabrication, the channel length is defined during the process of (A) Isolation oxide growth (B) Channel stop implantation (C) Poly-silicon gate patterning (D) Lithography step leading to the contact pads

 



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Consider an FM signal f t cos 2 f t sin 2 f t sin 2 f t. ( ) = p + ß p + ß p [ c 1 1 2 2 ] . The…



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Question

Consider an FM signal f t cos 2 f t sin 2 f t sin 2 f t. ( ) = p + ß p + ß p [ c 1 1 2 2 ] . The maximum deviation of the instantaneous frequency from the carrier frequency fc is (A f f ) ß + ß 1 1 2 2 (B f f ) ß + ß 1 2 2 1 (C) ß + ß 1 2 (D f f ) 1 2

 



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A thin P-type silicon sample is uniformly illuminated with light which generates excess carriers….



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Question

A thin P-type silicon sample is uniformly illuminated with light which generates excess carriers. The recombination rate is directly proportional to (A) The minority carrier mobility (B) The minority carrier recombination lifetime (C) The majority carrier concentration (D) The excess minority carrier concentration


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INFORMATIONPaper Format: Abstract page Number of pages: Number of slides: Number of…



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Question

INFORMATIONPaper Format: Abstract page Number of pages: Number of slides: Number of questions: Number of problems: Academic Level: Type of work: Type of paper: Sources neededAPA No 4 Double spaced 0 0 0 Undergraduate Writing from scratch Course work 2Subject Intro to Computers Topic Business ConsultingPaper detailsRemember Bill? He was the gentleman that you helped to start up his business in week 4. Well his business is doing well, but he has come to you with some questions and concerns. You discuss each of these with Bill and promise to send him a written report with your suggestions and recommendations. Submit your written response to Bill’s questions and concerns below.1. Bill has set up a spreadsheet in Excel that will help him keep track of expenses. So far, he has this:
Tell Bill how to do the following tasks:• What formula or function does he put in Column F that will show the total expenses for each day?• What formula or function does he put in columns B through F in Row 13 that will give him the total expenses for the week in each category?• Bill wants the entry in Column G to remind him of expenses that require receipts for the accountant. Tell Bill what to put in Column G to do this:a. Print the word “Yes” in any row where the total daily expenses are greater than or equal to $100.00.b. If the daily expenses total is less than $100.00, leave the Column G entry for that row blank.2. Bill’s business is already expanding. He thinks that in a few weeks, he will need to hire one or two employees to help him. He knows that each new employee will need their own computer. He is also making the necessary changes so that the new employees will be working in a spare room in Bill’s house. Explain to Bill what networking options he has. Go through each type or configuration of network possible for him, making sure that you explain the pros and cons of each configuration. Finish with your suggestion for the network that he should set up and explain what new hardware will be required to do this.3. With the possibility of three business computers in his home, and all of his business records possibly vulnerable, this would be a good time to advise Bill on how to set up a routine plan to protect and defend his new network. Provide a list of the five most important concerns for safety and security of the network and the computers in the network. For each concern, specify the action to be taken, and if applicable, what software you recommend be added to the system. Justify each of your recommendations.

 



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INFORMATIONPaper Format: Abstract page Number of pages: Number of slides: Number of…



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Question

INFORMATIONPaper Format: Abstract page Number of pages: Number of slides: Number of questions: Number of problems: Academic Level: Type of work: Type of paper: Sources neededAPA No 3 Double spaced 0 0 0 Bachelor Writing from scratch Essay 3Subject Introduction to Probability Theory and Health Statistics Topic Case Assignment Module 1Paper detailsPart 1 (approximately 1–1.5 pages, total):
Copy and paste the following examples (A–F below) , then respond by classifying each of the following variables as either: nominal, ordinal, interval, or ratio. Provide a brief explanation where indicated.1.A researcher studying lifespan categorizes individuals into single, married, divorced, or widowed. What type of variable measurement is this?2.A cognitive scientist places her subjects into categories based on how anxious they tell her that they are feeling: “not anxious”, “mildly anxious”, “moderately anxious” and “severely anxious”, and she uses the numbers 0, 1, 2 and 3 to label categories where lower numbers indicate less anxiety. What type of variable measurement is this? Are the categories mutually exclusive?3.A Physician diagnoses the presence or absence of disease (i.e. yes or no). What type of variable measurement is this?4.A person weighing 200 lbs. is considered to be twice as heavy as a person weighing 100 lbs. In this case, what type of measurement is body weight?5.A nurse takes measurements of body temperature on patients and reports them in units of degrees Farenheit as part of a study. What type of variable measurement is this?6.Patients rate their experience in the emergency room on a five point scale from poor to excellent ( 1 = very poor, 2 = not very good, 3 = neither good nor bad, 4 = quite good, and 5 = excellent). What type of variable measurement is this? Is the difference between a 1 and a 2 necessarily the same as the difference between a 3 and a 4? Explain briefly.
Part 2: Statistics (1/2 page)
Given what you’ve learned in this module about the meaning of “statistics”, choose one of the examples from Part I (A-F), and raise a relevant question of your own that could be answered by a statistician. Then without answering your own question, explain how a pattern could be studied or a useful prediction made based on data that are to be collected.
Part 3: Quantitative vs. Qualitative Data (approximately 1–1.5 pages)
A health scientist wishes to measure how well participants diagnosed with Post Traumatic Stress Disorder are coping. Explain how a variable such as coping could be measured quantitatively or qualitatively.


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Consider a 6-in. 8-in. epoxy glass laminate (k 0.10 Btu/h · ft · °F) whose thickness is 0.05 in…



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Question

Consider a 6-in.
8-in. epoxy glass laminate (k
0.10 Btu/h · ft · °F) whose thickness is 0.05 in. In order to reduce
the thermal resistance across its thickness, cylindrical
copper fillings (k 223 Btu/h · ft · °F) of 0.02 in. diameter are
to be planted throughout the board, with a center-to-center
distance of 0.06 in. Determine the new value of the thermal
resistance of the epoxy board for heat conduction across its
thickness as a result of this modification.


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In the circuit shown, the both the enhancement mode NMOS transistors have the following…



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Question

In the circuit shown, the both the enhancement mode NMOS transistors have the following characteristics: kn = µn Cox (W/L) = 1 mA/V2 ; VTN = 1V. Assume that the channel length modulation parameter ? is zero and body is shorted to source. The minimum supply voltage VDD (in volts) needed to ensure that transistor M1 operates in saturation mode of operation is _____.


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