Explain the effect doping towards an intrinsic silicon- Give one examp.docx
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Explain the effect doping towards an intrinsic silicon. Give one example of donor element and one example of acceptor element. [15 marks] Solution Silicon is an intrinsic semiconductor. The doping is done to introduce impurities into an intrinsic semiconductor for modulating its electrical properties. A semiconductor doped to a very high level can act as a conductor and is generally referred to as degenerate semiconductor There can be two types of impurities ie., donor type and acceptor type. Donor type are n-type semi conductors which will increase the number of unpaired electrons. An example of this is Phosphorus or Arsenic, Antimony, Bismuth Acceptor type are p-type which will increase the number of holes or hole concentration. Examples are Aluminum, Gallium, Boron, Indium. .
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![Explain the effect doping towards an intrinsic silicon. Give one example of donor element and
one example of acceptor element. [15 marks]
Solution
Silicon is an intrinsic semiconductor. The doping is done to introduce impurities into an intrinsic
semiconductor for modulating its electrical properties. A semiconductor doped to a very high
level can act as a conductor and is generally referred to as degenerate semiconductor
There can be two types of impurities ie., donor type and acceptor type.
Donor type are n-type semi conductors which will increase the number of unpaired electrons. An
example of this is Phosphorus or Arsenic, Antimony, Bismuth
Acceptor type are p-type which will increase the number of holes or hole concentration.
Examples are Aluminum, Gallium, Boron, Indium.](https://image.slidesharecdn.com/explaintheeffectdopingtowardsanintrinsicsilicon-giveoneexamp-230126202904-7b9f7024/85/Explain-the-effect-doping-towards-an-intrinsic-silicon-Give-one-examp-docx-1-320.jpg)
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Hope this helped you!
Thank You So Much! Please Rate this answer as you wish.(\"Thumbs Up\")
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C. Photonic point to multipoint:- Distribution of same signal to several users.
D. Optical Packet Switching:- Emulation of packets by short lived circuits
E. Optical Circuit Switched:- Establishment of optical paths on demand.
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.
Explain how an --interest group-- (or --special interest group--) may.docx
Explain how an \"interest group\" (or \"special interest group\") may try to influence public policy made by departments and/or agencies
Solution
Interest Groups
Functions of interest groups
Activities
Structures
Legitimacy
Problems of analysis and research
BIBLIOGRAPHY
Interaction between the polity and organized interests has taken place in all periods of history. Estates, guilds, trading companies, and the like are the more immediate antecedents of the modern interest group, which may be defined as a voluntary association of individuals who band together for the defense of an
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Explain how stock price volatility is more likely to imply risk than e.docx
Explain how stock price volatility is more likely to imply risk than earnings volatility.
Solution
Stock price volatility is more likely to imply risk than earnings volatility :
Risk is the chance that some unfavorable event will occur but investment risk can be measured by the variability of the investment’s earnings.
Generally, the term volatility is simply synonymous with risk. In public view high volatility is to be deplored because it means that security values are not dependable and the capital markets are not functioning as well as they should.
Earnings comes as you invest, though sooner or later. It is the risk of occuring of show of earnings which is brought by volatility in the stock price. Earnings volatility does not necessarily imply investment risk. However, stock price volatility does signify risk.
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Explain the concept entropy Explain the concept entropySolutionAnswe.docx
Explain the concept entropy
Explain the concept entropy
Solution
Answer-
Entropy - Entropy is a measure of the randomness of a substances. In statistical mechanics, entropy is a measure of the number of ways in which a system may be arranged, often taken to be a measure of \"disorder\" (the higher the entropy , the higher the disorder).
It is denoted by S, the entropy of substance and universe is calculated by appropriated formulas.
deltaG =deltaH - Tdelta S
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Explain how would you determine a covalent bond compounds bond using L.docx
Explain how would you determine a covalent bond compound’s bond using Lewis rule.
Solution
Covalent bond is formed by mutual sharing of electrons from both elements. Normally elements that have small electronegative difference tend to form covalent bonds. Sometimes compounds that share electrons unequally are called polar compounds and the process is called polarity. An example of a polar compound is water (H 2 O).Each element satisfies newland\'s octet rule through sharing of electrons by which way the bond formed.
Formal charge = (original number of valence electrons - actual number of electrons used in filling the octet). Only one electron is counted in a bond since bond formed by sharing of two electrons.
Hope this helped you!
Thank You So Much! Please Rate this answer as you wish.(\"Thumbs Up\")
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Expansive (swelling) clays exist in various areas across North America.docx
Expansive (swelling) clays exist in various areas across North America. What kind of mineral is typically associated with the swelling condition? What is the explanation of the expansion? Identify some typical problems caused to civil engineering structure by expansive clays
Solution
Montomorrilonite mineral is typically associated with swelling soil.Because of larger surface area of these minerals water is attracted to the surface of these minerals.water enters in between the layers of the minerals of the soil forming a double layer of water around each mineral particles in the soil resulting in expansion of the soil.
Typical problems caused by expansive soil to civil engineering structures
1) Differential settlement of the foundation.
2) Alternate swelling and shrinkage causes cracks in the walls of the buildings.
3) Expansive soil should be first stabililized for building any structure on it.
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FInd and invertible matrix U so that UR - R is in Reduced Row echelon.docx
FInd and invertible matrix U so that UR = R is in Reduced Row echelon form and express U as a product of elementry matrices for
A =Â [1 2 1
5 12 -1]
provide reduced row wchelon form R as well
Solution
A=[ 1 2 1 5 12 -1] multiply 1st row with 5 and subtract row 2 with row 1 =[ 1 2 1 0 2 -6] subtract row 1 with row 2 =[ 1 0 7 0 2 -6] divide row 2 with 2 and result is R R = [ 1 0 7 0 1 -3] UR=R (U-I)R = 0 U=I
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Financial intermediaries play a crucial role in an economic crisisthey.docx
“Financial intermediaries play a crucial role in an economic crisis–they are responsible for both causing the market to crash and then helping it recover from the crisis.” Is this statement true? Discuss with an example.
Solution
yes ,“Financial intermediaries play a crucial role in an economic crisis–they are responsible for both causing the market to crash and then helping it recover from the crisis.” Financial intermediaries can be financial institution which plays as intermediaries between two persons as finance provider.Its role is to
giving price information
risk control regarding securities and share
pooling of funds and distribute
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Financial Institutions Describe each of the following financial instit.docx
Financial Institutions
Describe each of the following financial institutions. If it is a financial intermediary, describe what type of liabilities it issues and who holds these liabilities, as well as what kinds of assets it holds and who issued these assets. If it is not a financial intermediary, describe the role of the institution in the financial system. .
(a) Savings and Loans
(b) Commercial Banks
(c) Money Market Mutual Funds
(d) Property and Casualty Insurance Companies
(e) Pension Funds
(f) Captive Finance Company
No Copy and Paste please
Solution
I think that (f) Captive Finance Company
.
Financial ratio analysis is conducted by managers- equity investors- l.docx
Financial ratio analysis is conducted by managers, equity investors, long-term creditors, and short-term creditors. What is the primary emphasis of each of these groups in evaluating ratios?
Solution
Primary emphasis for Managers is the profitability ratios and turnover ratios to know and comment upon the profitability of the company for decision making process.
For Equity Investors the primary emphasis is financial ratios to get an understanding of the financial position of the company to know whether to invest in the company or not.
Long term creditors generally emphasize on the solvency ratios to know the debt repayment ability of the company.
Short term creditors emphasise on the liquidity ratios of a firm because they are concerned about the day today working of the company which affects the firm\'s obligation to discharge its short term liabilities.
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Files are logical units of information created by processes- A disk ma.docx
Files are logical units of information created by processes. A disk may contain millions of them. Does the operating system know or care what is in a file? yes, because it needs to maintain the files in a file system yes, because it needs to provide ways to store them on the disk and read them back later no, all the operating system sees is bytes; it regards files as nothing more than a byte sequence no, it relays file contents inspection to the antivirus user process (if any)
Solution
Second options is true . Because operating system needs to provide ways to store them on the disk and read them back later
.
Fill in the blank Accurate determination of abundances of isotopes bec.docx
Fill in the blank
Accurate determination of abundances of isotopes became possible with the development of the1)_______. These analyses have shown that some of the oldest rocks on Earth are 4.0 2) ______years old, with some meteorites dating even older than that.
1. A. nuclear fusion reaction
B. hadron collider
c. mass spectrometer
d. Geiger counter
2. A. hundred
B. trillion
C. thousand
D. million
e. billion
Solution
Accurate determination of abundances of isotopes became possible with the development of the c. mass spectrometer.
These analyses have shown that some of the oldest rocks on Earth are 4.0 e. billion years old, with some meteorites dating even older than that.
.
Exercise 16-16 On January 1- 2012- Chang Corp- had 564-000 shares of c.docx
Exercise 16-16 On January 1, 2012, Chang Corp. had 564,000 shares of common stock outstanding. During 2012, it had the following transactions that affected the Common Stock account.
February 1 Issued 141,000 shares
March 1 Issued a 20% stock dividend
May 1 Acquired 115,000 shares of treasury stock
June 1 Issued a 3-for-1 stock split
October 1 Reissued 79,900 shares of treasury stock
(A) Determine the weighted-average number of shares outstanding as of December 31, 2012.
The weighted-average number of shares outstanding
Solution
a) Dates Shares Fraction Weighted Event Outstanding Outstanding Restatement of Year Shares Beginning balance Jan. 1
.
QUESTION 3 Associate each application with the type of transmisision-.docx
QUESTION 3 Associate each application with the type of transmisision. Emulation of packets by short lived circuits Establishment of optical paths on demand Each information unit requires a header A. Photonic Point to Point B. Optical Bursting C. Photonic Point to multipoint D. Optical Packet Switching E. Optical Circuit Switched F Optical Crossconnect Distribution of same signal to several users :Optical rerouting done manually Signals must be processed in electronic domain (OEO)
Solution
A. Photonic point to point:- Optical rerouting done manually.
B. Optical Bursting:- Each information unit requires a header.
C. Photonic point to multipoint:- Distribution of same signal to several users.
D. Optical Packet Switching:- Emulation of packets by short lived circuits
E. Optical Circuit Switched:- Establishment of optical paths on demand.
F. Optical Crossconnect:- Signals must be processed in electronic domain(OEO).
.
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