Ohm and Ohm’s Law Essay Sample free essay sample

Ohm’s jurisprudence is a jurisprudence of natural philosophies. It states that in an electrical music director the ratio of possible difference ( electromotive force ) to current is changeless. For illustration. if the terminuss of an electric battery are connected to an electric lamp and the electromotive force end product of the battery is so decreased by 20 per centum. the sum of current fluxing through the lamp will besides be reduced by 20 per centum. Ohm’s jurisprudence was derived by experimentation by German physicist Georg Simon Ohm in 1826. It is expressed by the undermentioned equation: V=I x R In this equation V represents the possible difference between one terminal of the music director and the other ( that is. the electromotive force applied to the music director ) ; and R is called theoppositionof the music director. IfVoltis given in Vs andIis given in amperes.Roentgenwill be in ohms ( Crandall. 2004 ) . The jurisprudence offers a simple method of ciphering the electromotive force. We will write a custom essay sample on Ohm and Ohm’s Law Essay Sample or any similar topic specifically for you Do Not WasteYour Time HIRE WRITER Only 13.90 / page current. or opposition in a music director when two of these three measures are known. For illustration. if the direct-current electromotive force applied to an electric visible radiation bulb is 120 Vs and the fibril in the bulb has a opposition of 240 ohms. the current flowing through the fibril is I =Volt=120 Vs= 0. 5 ampere R 240 ohms Ohm’s Law is valid for metallic music directors ( for illustration. Cu and wolfram ) in is comparatively low. High currents will heat a metallic music director and do its opposition to alter. so that the ratio of electromotive force to current in the music director will besides alter. Ohm’s Law holds for a complete direct-current circuit every bit good as for any portion of the circuit. provided thatIis the entire current flowing between the points across which the electromotive force.Volt. is measured ( Leroy. 2003 ) . In alternating-current circuits. Ohm’s Law seldom is valid because the current flow is affected non merely by opposition but besides by factors known asinductionandelectrical capacity. Furthermore. the equation called Ohm’s jurisprudence is non one of the cardinal rules of natural philosophies. as are Newton’s Torahs of gesture and the conservation-of-energy rule. Yet Ohm’s jurisprudence has been considered of import plenty to be included in the natural philosophies course of study of pupils for more than one hundred old ages. When Ohm presented his thought. it was received with contempts. Ohm. at the age of 38. has served for 10 old ages as a poorly paid mathematics and scientific discipline instructor at the Jesuit College of Cologne. To measure up for a university place. he was required to bring forth some sort of scientific chef-doeuvre. the value of which would convey acknowledgment and university occupation offers. After many old ages of experimenting with electricity. during which clip he published legion short documents. Ohm produced a 250-page manuscript entitledMathematical Measurements of Electrical Current( Silver. 1998 ) . The paper was ignored by most of Ohm’s German co-workers. One critic who did non disregard it said. â€Å"A physicist who professed such unorthodoxies was unworthy to learn scientific discipline. † Ohm. unluckily. had presented his work at a clip and topographic point where experiment was disdained as a agency of geting cognition. He did non have a university place and even had to vacate from the Jesuit College. After six blue old ages. King Ludwig I of Bavaria helped Ohm obtain a chair at the Polytechnic School of Nuremberg. Ohm finally received acknowledgment for his work. In 1841. he was awarded the Copley Medal by the Royal Society of London. and in 1842 he was honoured as the Society’s most distinguished foreign member. Furthermore. Ohm’s jurisprudence provides a nice working definition for mensurating the opposition of an ohmic device. The definition does non. nevertheless. give us a good sense of what causes some objects to hold higher oppositions than others. An object’s opposition depends on belongingss of the object including among other things its dimensions and the type of stuff of which it is made ( Everdell. 1998 ) . For illustration. scientists have determined that the electrical opposition of cylindrical objects is straight relative to their lengthLiterand reciprocally relative to their cross-sectional countryA: Roentgen=PLiter A The proportionally changelessP( rho ) is called the object’sresistively; it depends on the type of stuff of which it is made and on its temperature. The equation above seems sensible. The longer an object is. the more hard it is for charge to traverse it ( like H2O that must go a long distance along a incline that has really little disposition ) . Besides. opposition additions as an object’s cross-sectional country lessenings because few electric charges are available to go through the little cross subdivision. The electric resistancePof a stuff depends in intrinsic belongingss of that type of stuff. such as the figure of negatrons per unit volume that are able to travel and the hinderance these negatrons experience as they travel through the stuff. Copper has low electric resistance because of its big concentration of free negatrons and the comparative deficiency of hinderance experienced by the negatrons while traveling through the Cu. On the other manus. the electric resistance of glass is about 1020times greater than that of Cu because it contains so few free negatrons ( Hook. 2002 ) . Copper is an illustration of a stuff called an electrical music director ( low electric resistance ) whereas glass is an illustration of an electricaldielectric( high electric resistance that prohibits the flow of electricity ) . The conductionOof a substance is the opposite of its electric resistance (O= 1/p) . Therefore. a stuff with low electric resistance has high conduction and is a good music direct or of electricity. and frailty versa. Mention:

Focus on Adjectives Ending in -ic and -ical

Focus on Adjectives Ending in -ic and -ical Many adjectives end in either -ic or -ical. Examples of Adjectives Ending In -ic: athleticenergeticpropheticscientific Example Sentences: The boys are very athletic and play a variety of sportsI didnt realize you were so energetic! Youve completed 10 exercises in the last hour.His writings were very prophetic and some think show the way of the future.Many feel that the only valid way to learn is the scientific approach. Examples of Adjectives Ending In -ical: magicaldiabolicalcynicalmusical Example Sentences: We had a magical evening at the concert.His political use of the military was diabolical.I wish she werent so cynical. I dont know whether I can believe anything she says.You Timothy is quite musical and plays the piano well. An extension of the adjective ending -ical is the adjective ending in -logical. These adjectives tend to be used with scientific and medical related terms. Examples of Adjectives Ending In -logical: psychologicalcardiologicalchronologicalideological Example Sentences: The psychological study of patients has led to many helpful discoveries.The cardiological unit of the hospital has saved many lives.The chronological listing of each Kings reign can be found on page 244.Many feel that an ideological approach to our political problems will not solve anything. There are a few cases in which both adjective endings are used with slight changes in meaning. Here are some of the most common: Economic /Economical economic relating to economics and financeeconomical money saving, frugal Example Sentences: The economic picture looks pretty depressing for the next few quarters.Its economical to reuse your banana peels as compost. Historic/Historical historic famous and importanthistorical dealing with history Example Sentences: The historic Battle of the Bulge was fought in Belgium.The historical significance of Da Vincis writings was discussed in Peter Goulds essay. Lyric /Lyrical lyric relating to poetrylyrical resembling poetry, musicality, etc. Example Sentences: Lyric poetry reading can help you find the music of everyday language.His lyrical approach to scientific writing help to popularize the subject.

Improving your hiring process, according to a former Google recruiter

Improving your hiring process, according to a former Google recruiter For years, Google has been considered kind of a gold standard in the tech recruiting and hiring field. It’s not just the lavish cafeteria or the geek-utopia vibe that has made the company such a giant and lasting success- much of the credit goes to smart hiring strategies and implementing an adaptive approach. If you’re looking to make your organization more Google-esque in your hiring (regardless of what field you’re in), former Google recruiter Kevin Grice has some fantastic insight into what you can do on a practical level.â€Å"Recognize your unconscious biases.†Most organizations have come in line with non-discriminatory policies that seek to eliminate blatant bias in hiring. But no matter how strict those policies are, or how conscious we are of hiring a qualified person without regard for their personal gender, religion, or race, unconscious bias will likely always come into play. For example, studies have found that people with identifiably ethnic names receive fewer interviews. And while unconscious bias means (by its very nature) that we don’t know exactly why we’re rejecting a person, it’s important to be aware that it exists and to evaluate whether it could be at play in any given step of the process.According to Grice, using systematic, consistent interviews is one way to limit bias. After all, if every candidate is answering the same questions at the same point in the process, it’s less likely that you’re asking a particular question because you have made an assumption about the interviewee. It also makes your job easier when it comes to evaluate and differentiate each candidate.â€Å"Don’t look for your doppelganger.†Speaking of bias, according to Grice, people tend to be drawn toward others who remind them of themselves, and organizations want to bring in people who fit in with a particular vibe. It’s basic human nature, which means it will inevitably come into play during the hiring process. And unfortunately, a philosophy of I like you because you remind me of myself leads to less diversity in your talent pool. With increased diversity a non-negotiable goal for so many organizations, specifically looking for people with different backgrounds or experiences is a way to increase that diversity throughout the hiring process.â€Å"Research the person you’re interviewing.†Just about every candidate who comes through your door for an interview will have spent time prepping for it: researching your company, reading up on the job description, tailoring their resume to the job. It’s not only common courtesy to do some prep work yourself, but also, according to Grice, an opportunity to show off your well-oiled organizational brand to your potential new hire.hbspt.cta.load(2785852, '9e52c197-5b5b-45e6-af34-d56403f973c5', {});That means not only researching the candidate so that you can ask substantive questions, but also ensuring that everyone on your interview panel is well-versed on the candidate as well. Grice recommends â€Å"digging a little deeper,† going beyond the standard checks of public social media profiles. A person’s past writing online, videos, etc., can help give you a fuller sense of the candidate- much more than a cursory read of their resume 10 minutes before the interview.â€Å"Be present.†Grice recommends giving all of your attention to an interview. We live in a multitasking world, but stepping away from email for an hour and focusing attention on a candidate not only ensures that you’re getting the most out of this conversation with a potential new hire, but that you’re also being a good ambassador for your o rganization. â€Å"I’m sorry, I really need to take this† or â€Å"I’m just finishing this email really quick† is rarely a mortal insult to an interviewee, but it does convey a message of, â€Å"this is not my top priority right now, sorry.†Whether your organization is a media conglomerate or a small business, Grice’s experience and insights show that all it takes to improve your hiring and interviewing skills are a few mindful, common-sense tweaks that can make all the difference.

International Political Economy Essay Example | Topics and Well Written Essays - 3500 words

International Political Economy - Essay Example (Ttreault and Abel, 1998: p. 3). With reference to the material reality individual actors are expected to be pursuing their self-interest through bargaining and the interplay of the market. (Ttreault and Abel, 1998: p. 3). Similarly considering the ideological reality one would expect to see a multi-faceted order and its potential for improving overall production and wealth skewed in various ways to provide different sorts of short-term advantages for those who can manipulate the system to conform to specific goals. (Ttreault and Abel, 1998: p. 3). For instance the flow of resources, the availability of money as well as the cost of doing business can be manipulated, even by weak countries if they seize the right moment. While the material reality may be evolving toward a complex interactive system, such an outcome serves to justify and describe one way or another to rig the system to a particular advantage rather than to structure a mutually beneficial international economic order likely to raise overall global wea lth but unlikely to generate individual distinction or preeminence for particular countries. (Ttreault and Abel, 1998: p. 3). Dependency theory refer to a set of theories, which maintained that third world countries fail to attain adequate and sustainable levels of development as a result of their dependence on the advanced capitalist economies. (Scott and Marshall, 2005). Built upon Lenin's theories of imperialism, the theory focused upon the economic penetration of the third world particularly Latin America by the large capitalist economies. (Lievesley, 2003). Dependency theory was developed in 1960 and called into question the structural developmentalism associated with Raul Presbish as well as the United Nations Economic Commission for Latin America (ECLA), which emerged in 1948 in Santiago, Chile. (Lievesley, 2003). According to the ECLA, the world was regarded as divided into center (the developed, industrialized North) and the periphery (the underdeveloped agricultural South) and the relationship between them was determined by the structure of the world economy. (Lievesley, 2003). The economy of Latin America concentrated on the production of primary inputs for export to the developed industrialized North. Presbish later discovered that instead of a mutually advantageous relationship between North and South, there was an unequal exchange with Latin American economies facing a long-term secular decline in their terms of trade thereby resulting in a chronic balance of payment deficits with the periphery having to export more and more in order to maintain the same levels of manufactured imports. (Lievesley, 2003). The figure in the following page represents the relationship between the developed industrialized North and the underdeveloped agricultural south. Figure 1. Dependency Theory Core/Metropolitan Centre Power Development Unequal Exchange Periphery Under development Marginal = Dependency Theory Source: Lecture Notes. Frank, a German Economist of development was the major contributor to dependency theory who in his book Capitalism and Underdevelopment in Latin America (1967), concentrated upon the external mechanisms of control exerted by the centre (or metropole) upon the periphery (or satellite). (Lievesley, 2003; Scott and Marshal, 2005). The centre maintained the periphery in a state of underdevelopment for

Costs of Undergraduate and Graduate Degrees to Students in the Essay

Costs of Undergraduate and Graduate Degrees to Students in the European Union - Essay Example In countries, where education was not expensive, a major increase in the fees has been observed in the past few years. The example is Canada where the fee structure doubled in the last ten years. The fees of universities differ in terms of the courses, level of degree and between national or international students. Students take admission in the institutions where they are able to bear the fees because the cost of education varies from region to region. The international students are very particular in taking admission in those colleges or universities where they can afford the fees because most of these students take financial aids from the bank or funded by themselves. The international students have to show their financial balance sheet in order to take admission in a good university and they have to prove from their balance sheet that they can afford all the expenses in the first year of their education. If they are not able to meet these requirements, then they are not eligible to apply for student’s visa. In the universities of USA, it is comparatively easy to get admission because of the facility of university funding but in UK and other European countries, it is relatively difficult to take admission. The students in order apply in universities of Europe fulfill more complexed requirements and formalities and because of variation in the education cost, these universities deal with two aspects that include the cost of tuition and living expense. The purpose of this study is to compare the cost of educational degree in USA and European Union and compare which region is more suitable to study for students. Higher education differs from university to university and it is not sure that how college experience of student is going to be. In each university, there are different rules and regulations that students have to follow to compete with the social standard and reputation of university. There are some obvious similarities between the colleges and un iversities of the United States and the European countries. The standards of the United States universities are different from the standards of the European institutes and there is a cultural difference in both regions and this difference reflect in their system of education (Sheng 2012). Education in European Countries: In the 2020 Strategy of Europe, the European Council has made a structure of Union to gather all the instruments that include expansion of jobs and high growth. The main target of the European Union in this strategy is to increase the education level and all the members of the European Union must fulfill the education requirements that council have made. The economic research recently conducted reveals that in order to achieve the goals and meet the future objective of European Union, measures should be taken to improve the education in the region. The European Union has developed human capital policy because it is recognizing the significance of giving education to the people. The basic motive of the European Union to educate its citizen is that union understands upcoming requirements of education and more skills needed from people to compete in future. The cost of degree in universities of Europe is relatively low but top ten universities are planning to increase the fee structure of students and they are trying to increase the fees up to ?4,000 this year. However, they are certain requirement that

Adenosine Triphosphate and Aerobic Respiration Essay Example for Free

Adenosine Triphosphate and Aerobic Respiration Essay Comparison chart Embed this chart Aerobic Respiration Anaerobic Respiration DefinitionAerobic respiration uses oxygen. Anaerobic respiration is respiration without oxygen; the process uses a respiratory electron transport chain but does not use oxygen as the electron acceptors. Cells that use itAerobic respiration occurs in most cells. Anaerobic respiration occurs in bacteria, yeasts, some prokaryotes, erythrocytes (red blood cells), and in muscle cells. Production of lactic acidDoes not produce lactic acidProduces lactic acid (in lactic acid fermentation but not in alcoholic fermentation) Amount of energy releasedHigh (36-38 ATP molecules)Low (2 ATP molecules) ProductsCarbon dioxide, water, ATPLactic Acid Fermentation lactic acid, ATP Alcoholic Fermentation ethyl alcohol, ATP, carbon dioxide Reactantsglucose, oxygenglucose Site of reactionsCytoplasm and mitochondriaCytoplasm StagesGlycolysis, Krebs cycle, Electron Transport ChainGlycolysis, Fermentation combustioncompleteincomplete Contents: Aerobic vs Anaerobic Respiration The process of aerobic vs anaerobic respiration 1. 1 Fermentation in anaerobic respiration 1. 2 Krebs cycle in aerobic respiration 2 Energy efficiency of aerobic vs anaerobic respiration 3 Video comparing Aerobic Respiration vs Anaerobic Respiration 4 References The process of aerobic vs anaerobic respiration The sugar molecules stored in the food are broken apart through enzyme-mediated reactions and the energy released is absorbed by cells. This process is much more effective in the presence of oxygen through aerobic respiration. Aerobic respiration requires oxygen in order to generate energy (ATP). It is the preferred method of pyruvate breakdown from glycolysis and requires that pyruvate enter the mitochondrion in order to be fully oxidized by the Krebs cycle. The product of this process is energy in the form of ATP (Adenosine Triphosphate), by substrate-level phosphorylation, NADH and FADH2. Anaerobic and aerobic respiration share the initial pathway of glycolysis but aerobic metabolism continues with the Krebs cycle and oxidative phosphorylation. The post glycolytic reactions take place in the mitochondria in eukaryotic cells, and in the cytoplasm in prokaryotic cells. Fermentation in anaerobic respiration Without oxygen, pyruvate is not metabolized by cellular respiration but undergoes a process of fermentation. The pyruvate is not transported into the mitochondrion, but remains in the cytoplasm, where it is converted to waste products that may be removed from the cell. This serves the purpose of oxidizing the hydrogen carriers so that they can perform glycolysis again and removing the excess pyruvate. This waste product varies depending on the organism. In skeletal muscles, the waste product is lactic acid. This type of fermentation is called lactic acid fermentation. In yeast, the waste products are ethanol and carbon dioxide. This type of fermentation is known as alcoholic or ethanol fermentation. The ATP generated in this process is made by substrate phosphorylation, which is phosphorylation that does not involve oxygen. Krebs cycle in aerobic respiration The Krebs cycle (also known as the citric acid cycle, or the tricarboxylic acid cycle) is a series of enzyme-catalysed chemical reactions, which is of central importance in aerobic respiration. the citric acid cycle is part of a metabolic pathway involved in the chemical conversion of carbohydrates, fats and proteins into carbon dioxide and water to generate a form of usable energy. Other relevant reactions in the pathway include those in glycolysis and pyruvate oxidation before the citric acid cycle, and oxidative phosphorylation after it. Therefore, carbohydrates break into sugar and then into ATP. The overall process of aerobic respiration can be understood by the following reaction. C6H12O6 + 6O2 + 6H2O ——gt; 6CO2 + 12H2O + energy. Energy efficiency of aerobic vs anaerobic respiration Aerobic metabolism is 19 times more efficient than anaerobic metabolism (which yields 2 mol ATP per 1 mol glucose). Anaerobic respiration is less efficient at using the energy from glucose since 2 ATP are produced during anaerobic respiration per glucose, compared to the 38 ATP per glucose produced by aerobic respiration. This is because the waste products of anaerobic respiration still contain plenty of energy. Ethanol, for example, can be used in gasoline (petrol) solutions. Glycolytic ATP, however, is created more quickly. For prokaryotes to continue a rapid growth rate when they are shifted from an aerobic environment to an anaerobic environment, they must increase the rate of the glycolytic reactions. Thus, during short bursts of strenuous activity, muscle cells use anaerobic respiration to supplement the ATP production from the slower aerobic respiration, so anaerobic respiration may be used by a cell even before the oxygen levels are depleted, as is the case in sports that do not require athletes to pace themselves, such as sprinting. Video comparing Aerobic Respiration vs Anaerobic Respiration References http://en. wikipedia. org/w/index. php? title=Cellular_respirationoldid=320134686 Related Comparisons Oxygen vs Ozone Oxygen vs Ozone Mitosis vs Meiosis Mitosis vs Meiosis DNA vs RNA DNA vs RNA Photosynthesis vs Respiration Photosynthesis vs Respiration Mold vs Yeast Mold vs Yeast Comments: Aerobic Respiration vs Anaerobic Respiration Facebook Anonymous (4) Stay informed Get email alerts when new comparisons are published in these categories: Science L Biology Related Comparisons Oxygen vs Ozone Mitosis vs Meiosis DNA vs RNA Photosynthesis vs Respiration Mold vs Yeast Follow Diffen Make Diffen Smarter. Log in to edit comparisons or create new comparisons in your area of expertise! Sign up  » Top 5 Comparisons 1. Democrat vs Republican 2. Animal Cell vs Plant Cell 3. Meiosis vs Mitosis 4. Affected vs Effected 5. 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Culture from Cranium :: essays research papers fc

Culture from Cranium Eliot Brown   Ã‚  Ã‚  Ã‚  Ã‚  Throughout the history of anthropology it has been a popular view that people are largely products of their culture, and not the other way around. Yet culture is an exclusively human phenomenon. While it is true that everyone lives within a cultural context, and that context accounts for varying degrees of who that person is (indeed, there are those who say that certain people are wholly products of their culture), the reverse is also true. Each person, then, has some degree of impact on the culture around him or her. The current culture of this country, for example, was hugely shaped by the intellects and ideals of those who founded it, even of the original European settlers. Just as a person can be almost fully created by their culture, so can a culture result almost fully from one person's intellect.   Ã‚  Ã‚  Ã‚  Ã‚  There have been many cases of such things happening throughout history. Some have met with success, and some not. For the purposes of this essay I have chosen to examine one case, which, considering it's sharp deviation from the cultural context from which it came, was surprisingly successful. The Oneida Community, in Oneida, New York was a unique religious communist society in the mid-nineteenth century. The community was based on the radical religious beliefs, and biblical interpretations of John Humphrey Noyes.   Ã‚  Ã‚  Ã‚  Ã‚  Noyes grew up in a well to do household in Vermont. He Graduated from Dartmouth College in 1830 with high honors. Up to that point he had been cynically agnostic. But in 1831 he attended a revival with his mother lead by Charles Finney, the leader of a large religious movement in the northeast. Deeply moved he decided to enter the ministry. Noyes attended the Andover Theological Seminary and Yale Divinity School. It was at Yale that he started developing his controversial views, which then prevented him from being ordained. He decided that when one accepted Jesus that they were then totally without sin and had achieved a state of spiritual perfection. He also became convinced, as he wrote in a letter to a friend, that he was God's agent on Earth. Returning to Vermont, Noyes assembled a core group of 32 followers, consisting of his family and some friends, calling themselves the Putney Association. In 1844 the group adopted communism. They owned three houses, a store, a small chapel for collective worship, and ran two farms. Two years later they began practicing the systems of Mutaual Criticism and Male Continence. These practices lead to the persecution of the group by the surrounding communities, culminating in the arrest and indictment of Noyes.