Resistance of a Wire †Triple Science Essay

I also will be measuring the wire using a meter ruler and will be keeping the temperature down by keeping the power pack level at 2volts. Apparatus 1. 1 Metre Ruler 2. 1 Power Pack 3. Sellotape 4. Variable Resistor 5. Ammeter 6. Voltmeter 7. Constantan wire Method I connected my circuit together as shown in the diagram above. I attached the wire to the meter ruler using pins. As I carried on doing the experiment I adjusted some of the wires to make sure everything was correct and in place. Steps: 1. Adjust one metre length of constantan wire onto the metre ruler, and added the pins. 2. Adjust and connect all the wires together 3. Turning on the power pack. The voltage and current are then read off the ammeter and voltmeter 4. The power supply then turned off, and the crocodile clip moved to the next position I counted the seconds of how long the power pack was on for to test for the investigation, my partner then read the results, and wrote it down, while I moved the clip to the next position. I double checked my results, making sure I was close to the true value, so I had no outliers. Results. When doing my experiment on the different lengths of the wire, I double checked everything, to ensure that everything was correct, and there was no in-corrections. I recorded my results in the table below: Length (cm) Voltage (V) Current (I) Resistance (a ¦) Voltage (V) Current (I) Resistance (a ¦) Voltage (V) Current (I) Resistance (a ¦) 1I saw that I had no outliers. I then calculated the means of the voltage, current and then from that calculated the resistance (V/I). R1 R2 R3 Mean Range From the tests and my graph, I acknowledged that the longer the wire, the larger the resistance. My graph gives a positive correlation. When I doubled the length of the wire, the resistance also doubled, for example, when the wire was 10cm, the resistance was 0. 15 (a ¦), When the wire is 20cm, the resistance was 0. 31cm. Therefore, the fact that the resistance increases with the length, I have gathered that the longer the piece of the wire, the further the electrons have to travel, which means there are more ions for the electrons to bump into, so when the length of the wire doubles, the more ions there are for the electrons to bump into, which makes the resistance increase. As the length increases, the resistance of the current increases because the current has further to go through in the wire, thus it has to go past more stationary atoms, which cause more collisions, and therefore there is more resistance. However, I believe that my results are reasonably reliable, because i repeated my experiment twice, and i double checked my calculations for the mean. My line on the graph, were mainly on the best line of fit. Fair Test To ensure that my tests and results were fair, I had to keep variable the same. The variables that I had to keep the same where the temperature of the wire, due to the face that the wire gained more thermal energy as the ions began to vibrate (This would sometimes become a problem when the wire was ‘10cm’, because the wire was not as long.) However it seemed to be fine, which was expected because I chose ‘constantan’, which is proven to have a very low temperature increase. Another factor that I had to keep the same is the material of the wire because depending on the material, each material conducts different amounts of heat, which would affect the resistance. Reliability To make sure that my readings were all reliable, I had to double check and repeat my experiment again, so that I could spot any errors in my results. Using the wide range of lengths from 10cm to 1 metre allowed me to get a good range of results so that I could make a good conclusion. Accuracy To make sure that my test was accurate, I had to control the various procedures of the tests. One way in which I did this, was to measure the length of the constantan. The reason why I did this is to make sure that all my tests were accurate, and that my results would be close to the true value, or at least reliable. Safety To make sure that all the tests are done safely, the power pack settings will be under 5 volts, so that the constantan wire will not get too hot and burn. If I did not take this safety measure into consideration then it could damage and affect the experiment, and give un-reliable results. Also all bags and outdoor clothing will be away from the experiment, in case any heat causes any accidents. Evaluation At the start of the investigation, I don’t believe that I started off to well, as I was behind the rest of my peers, because my partner and I was a bit confused. However, when I understood what I was doing, I soon caught up, and was off to a flying start. The length investigations went very smoothly. I did find that sometimes, it was quite difficult to be accurate with whether the tip of the crocodile clip was exactly on the measurement I wanted, because it would make around etc. One way I could have made sure that I was doing this accurately, was to make sure I pinpointed, If I had ensured this, I would have got more accurate readings, and much more precise measurements. Copper Atoms Electrons 3rd Test 2nd Test 1st Test Show preview only The above preview is unformatted text This student written piece of work is one of many that can be found in our GCSE Electricity and Magnetism section.

Finding The Blessing Of God In Cancer Essay

The concept of death and the association journey towards this state has been the focus of intense interest among psychologists, clinicians and therapists for the last few decades. Efforts towards a better understanding of the psychological side of death and dying have been mostly due to the significant increase in the number of case of physician-assisted suicide, as well as spiritual awareness and religiosity. There are currently an increasing number of reports that link spirituality and healing (O’Mahony et al. , 2005). Analysis of the psychological and spiritual condition of terminally ill patients, as well as their immediate family relatives, will provide a means to better understand the dynamic conditions that may be associated with their journey to the end of life. When a patient is informed by his physician that he has cancer, his life suddenly changes in an instant. The patient’s state of mind is filled with both fear and hope, that maybe there is a cure to this and that maybe he will directly proceed to his last few months on this planet. In addition, a patient’s knowledge of having cancer affects his immediate family (Lipsman et al. , 2007). Research has indicated that several factors have facilitated cancer patients in going through the difficulty journey of life with cancer. It has been reported that communication has helped patients express their worries and concerns regarding their new health condition (Bar-Tal et al. , 2005). The value of the family’s perceptions of cancer becomes an essential part of the mental and emotional condition of the cancer patient. It has been established that the attitude of the patient’s family has influenced the degree of hope and faith in the patient. As for the case of Jimmy H, a two-year old boy with terminal cancer, the parents of this young boy have been very supportive and encouraging, regardless of the knowledge that the radiation therapy were only palliative and were not actually curing the patient. Yet the parents never gave up on supporting their little boy and not even one of the parents showed a trace of doubt that things will turn out to be okay for their little boy, or for themselves as parents. The radiation therapist, Franklin, is amazed at the strength in spirit that this family has shown, amidst the grave knowledge that their little boy will be gone soon. This case study shows that amidst the hardships and fear of a serious illness like cancer, human beings still find a way to accept the truth and learn from it. The case of Jimmy H and his parents battling cancer is a story of resilience and hope, when the normal reaction of any other individual to a life of cancer is helplessness, hopelessness, anger and distress. The family of Jimmy H shows that death could be regarded as the end stage of a journey and that their own attitudes during this journey may be happy or sad, depending on what they chose it to be. It is the decision of Jimmy H’s family to live the rest of their son’s life with hope, faith and love, regardless of the pain that their son would experience during his last few months on earth. The constant prayers that the family has been doing have also helped them accept the truth that cancer is present in their son. There are reports that describe the influence of prayer on healing, with supporting medical explanations for the improvement of the conditions of both patients and the members of the family (Anandarajah, 2008). It is also possible that the family of Jimmy H understands their current situation from another point of view and this is through finding the mean of life, which is in their case not based on cancer, but on the opportunity to give love and care for one another, despite the shortness and difficulty of the condition of their family. It is thus understandable that even with cancer in the family, Jimmy H and his parents could still face their lives with calmness and hope, because they see that there is more to life than pain and suffering but the chance of sharing their lives with each other and providing themselves as good examples of perseverance to others as well. References Anandarajah, G. (2008). The 3H and BMSEST models for spirituality in multicultural whole-person medicine. Annals in Family Medicine, 6,448-458. Bar-Tal, Y. , Barnoy, S. and Zisser, B. (2005). Whose informational needs are considered? A comparison between cancer patients and their spouses’ perceptions of their own and their partners knowledge and informational needs. Social Science Medicine, 60,1459-1465. Lipsman, N. , Skanda, A. , Kimmelman, J. and Bernstein, M. (2007). The attitudes of brain cancer patients and their caregivers towards death and dying: A qualitative study. BMC Palliative Care, 6,7-17. O’Mahony, S. , Goulet, J. , Kornblith, A. , Abbatiello, G. , Clarke, B. , Kless-Siegel, S. , Breitbart, W. and Payne, R. (2005). Desire for hastened death, cancer pain and depression: report of a longitudinal observational study. Journal of Pain and Symptom Management, 29,446-457.

Ancient Roman Foods

During the times of ancient Rome and its glory days of ruling the world, the foods were the same as the lifestyle was: â€Å"simple and austere. † The people of the time were just simply not worried about feeling the need to eat fast and move on to better things than eating. They were significantly more concerned with enjoying the food sitting on the table in front of them and enjoying the moment. By enjoying their meals, they were able to enjoy the other components of their lives and from there, to essentially enjoy life to its fullest. â€Å"Carpe diem. Essentially, they enjoyed the most simple things in life. Nowadays, people are far more concerned with living a fast-paced lifestyle filled with luxury, money, and speed than tasting and savoring the many flavors present in their foods. Moreover, the foods during those ancient times were a lot healthier, consisting of mostly grains and vegetables. Now in our present society, while there is much more variety to the things we eat, there are also a lot more fats, greases, and various oils. Tons of present day traditions hold meat in the highest regard of any other food group. We enjoy that most meals include some sort of meat, and more often than not, a very large amount of it if not multiple kinds of meat. People hold barbeques where the main event is the meat being cooked on the smoky grill surrounded by laughter. The meat actually brings people together and leads to a feeling of belonging and happiness. In stark contrast, dining during ancient times rarely even had any meat at all. There are records of people complaining when they had to rely on meat to eat as opposed to their normal delicacies of delicious vegetables. They simply did not like the taste or texture. For people concerned with enjoying their food to the fullest, this is a terrible dilemma. It is not one our society can easily understand. We see it every single day on television, we hear it on the radio, and we create our own experiences of many children’s complete and utter distaste for various varieties of vegetables. Many children and people detest anything green, some children and people hate carrots for reasons of their own, and a few people and children despise all vegetables in general. In ncient Rome however, everyone simply loved vegetables. It was these very vegetables that were eaten the most often. Cato tells us that raw vegetables were often eaten with vinegar and cooked vegetables were often eaten with Olive Oil. These additions added flavor and were far more healthy than the additives with which we have made ourselves familiar in modern day. Additional contrast shows the additional fats present nowadays because of our society’s love for butter and many other additives that contain various fats, unnecessary carbohydrates, and other disgusting oils. Odd to think about for modern American’s is that Romans were not familiar with potatoes, wheat as from the America’s, and corn. We often see thee items present in most modern meals in some form or another. Almost every fast food meal from any fast food restaurant comes with French Fries unless another â€Å"healthier† option is specifically selected by the consumer making the order. The closest alternative during Roman times was bread, which was used for most traditions including wedding ceremonies and other important events to the people. Another American tradition includes that of consuming alcohol, sometimes so much as on the daily. Whether for a party or some sort of escape from reality in excessively depressive situations, people flock to the bars and night clubs periodically for an alcoholic therapy of sorts. In the past during those times, Romans would drink wine with every single meal, but it was not for the same reasons as are present in modern times. They enjoyed the wide range of flavors present in the wines for the same reasons that they tried to enjoy their foods to the fullest: they simply wanted to enjoy their lives. They would drink wine as frequently as present-day society enjoys soda, water, and tea when we go out to eat and even in our homes after grocery shopping. The increase in traditional use and consumption of bread also increased that of wine. In all reality throughout the decades, in history and in present, this makes sense. When you eat more bread, you are bound to be thirstier, and wine then comes into play as a quencher for that thirst. Especially during those times, the bread was excessively coarse and made of rough grain. It was far rougher than the grain with which we have familiarized ourselves with now. It caused a drying out of the mouth even worse than we are now familiar with. During the times of ancient Rome and its marvelous glory days of ruling the world, the foods were the same as the lifestyle was: â€Å"simple and austere. † The people of the time were just simply not worried about feeling the need to eat fast and move on to better things than eating. They were significantly more concerned with enjoying the food sitting on the table in front of them and enjoying the moment. By enjoying their meals, they were able to enjoy the other components of their lives and from there, to essentially enjoy life to its fullest. Carpe diem. † They enjoyed the most simple things in life. Nowadays, people are far more concerned with living a fast-paced lifestyle filled with luxury, money, and speed than tasting and savoring the many flavors present in their foods. Moreover, the foods during those ancient times were a lot healthier, consisting of mostly grains and vegetables. No w in our present society, while there is much more variety to the things we eat, there are also a lot more fats, greases, and oils. It was easier to live and let live during those times, and it can all be shown in their food and dining.

The evolution of the smartphone markets Essay Example | Topics and Well Written Essays - 1500 words

The evolution of the smartphone markets - Essay Example This paper aims to discuss the evolution of Smartphone markets with reference to the model of monopolistic competition as it deals with the differentiated products. On the other hand discussion will cover the theory of network externalities because different Smartphone companies are offering entirely different operating platforms. More specifically the paper will discuss questions pertaining to the current competition in the Smartphone market and its potential to evolve in future. How Smartphone manufacturing firms will be competing over the time, what would be their business strategies, which of the firms are expected to rule the Smartphone market and how firms will generate profits in the long run? Markets of differentiated products are primarily dominated by competition over simple features and functions. However, over the time the nature of competition transforms and hence the competitors have to advance the operating platforms so as to gain competitive edge (Barrows, 2009:110). In broader terms it can be said that the evolution of Smartphone markets underwent two phases, for instance, the competition started with variations in the physical features and then it led to the significant changes in operating systems. Thus it is important to analyze this subject with respect to the above mentioned questions. In order to do this secondary data sources are used including books, journals and websites. Initially the type of market for which Smartphones are manufactured is specified. This is followed by the critical analysis with the help of economic models. The Monopolistic Competition Model It basically defines the first stage of the evolution of Smartphone market. It refers to particular economic setting where companies manufacture similar products with slight variations (Barrows, 2009:110). For instance, Smartphones are differentiated on the basis of functions, features, color, design etc. however, their fundamental purpose is to connect people and smooth the com munication channels. Hence in this way the consumers are given an advantage of using the comparable products with some differences (Himmelsbach, 2013:3). One of the factors influencing monopolistic competition is elasticity which actually plays a major role in the overall evolution of Smartphone market. The demand cross price elasticity of two unrelated products is either zero or near to zero, for example, the increase in demand of water will have no impact over the demand of shoes. But when the nature of products is differentiated then the cross price elasticity has significantly positive results (Barrows, 2009:110). For example, the demand of Android phones impact the demand of iOS Smartphones. This can be further substantiated on the basis of the fact that differentiated products can be used as substituted and therefore the demand of one product directly influences the demand of its close substitute. The Theory of Network Externalitie

Discussion Board Post Response Essay Example | Topics and Well Written Essays - 250 words - 18

Discussion Board Post Response - Essay Example Empowering employees is of benefit to the achievement of your organizations goals of zero serious safety events. In Brookwood Medical Center, achievement of organizational goals is attained through a culture of social responsibility, teamwork, and treating other employees with respect and dignity. Dana Reid, I support the culture practiced in your organization. It is true that the importance of education in health care cannot be understated. One of the most fundamental elements of organizational culture as asserted by Dixon and Dougherty (2010) is human interactions. I believe that level of education of an individual plays an important role in determination of behavior in relation to human interactions, and also individual opinions towards specific issues. I also concur that a culture of higher education and setting the minimum requirement for new recruits as a BSN facilitates quality improvement as only highly skilled individuals are considered. In Brookwood Medical Center, attaining a high level of education is also highly valued. For a nurse to be recruited to a nurse leader position, he or she must also have a BSN. Creating a culture relating to education helps minimize incidences of medical errors as it prevents recruitment of poorly skilled individuals. Dorgham, S. R. (2012). Relationship between organization work climate & staff nurses organizational commitment. Nature and Science, 10(5), 80–91. Retrieved from

Chinua Achebe's Things fall apart Research Paper

Chinua Achebe's Things fall apart - Research Paper Example Culture may mean a set of shared paradigms that reflect the values, attitudes and beliefs of a person, together with the tools and artifacts that make life possible for a unit of individuals. Future generations inherit the norms and beliefs, leading to further acquisition of culture. Culture usually consists of values and norms that guide the behavior of those who share in it, thereby, it is synonymous to tradition. Cultural differences are as a result of many factors, but most importantly, geographical locations. It is also common to find a minor culture within a major one, that is to say, cultures and sub cultures. For example, many people would be aware of the African culture that emphasizes unity and brotherliness. However, within the African culture, there are subcultures defined by the location of each country. Even further, there are subcultures within a country. In reference to the definition of a culture, it is clear that a culture is present everywhere; within a society, an organization, a family or among friends. However, this paper will emphasize on societal culture with emphasis on conflicts caused by culture and its aspects such as sexuality, culture change and language. The paper gives reference to Things fall apart, a book by Chinua Achebe. Chinua Achebe narrates the consequences and struggles that accompany cultural change, and how it affects the people of a rural village, Umuofia. Before the arrival of missionaries, the people in Umuofia village had a patterned culture, which defined their traditions. They worshiped gods, offered sacrifices and lived communally. Additionally, leadership and war determined a man’s worth to the society. Achebe uses Okonkwo as an example of what the village expects of a man (Achebe 35). Achebe develops conflict in the eyes of a clash between change and culture. The arrival of missionaries threatens the stability of this culture, bringing with it unexpected change. Whenever there is an anticipated change in culture and tradition, conflict usually arises. Conflict refers to a state of competition between groups or people with goals that are incompatible, struggle for power, or struggle for scarce resources. Conflict is an essential aspect of human relationships, and so people always devise appropriate ways to resolve conflicts whenever they occur. For the people of Umuofia, villager elders resolved conflicts between people or groups within the village. People conceive conflicts differently, and this determines the ways they devise to deal with conflicts. Some people conceive conflict as a result of a struggle for resources necessary for people to reach their goals. Others perceive it differently, with no connection to material acquisition. They see it as a result of divergent perceptions about issues, situations or beliefs. These conceptions reflect the complexity of social behavior and perceptions. Understanding conflicts requires insight that most conflicts include mixed motives that include cooperation and competition. One must also understand that the parties conflicting believe that their respective divergent goals are responsible for the conflicts. This is important because the people involved will ultimately act on their perceptions and beliefs. The conception that conflict is as a result of the struggle for scarce resources is referred to as â€Å"realism†

Crime Seriousness and Prior Criminal Record Dissertation

Crime Seriousness and Prior Criminal Record - Dissertation Example As the discussion declares there is a positive correlation between a person’s prior criminal record and the chances that firstly, such a person is more likely to commit an offence in the future, and secondly, that there is a greater probability of such offences resulting in imprisonment. Moreover, as a result of mandatory sentencing policies, repeat offenders are now far more likely to face imprisonment. A prior record sets into motion totally different responses amongst law enforces, with the suspect considered ‘guilty until proved innocent’, rather than the other way around which is the basis of modern jurisprudence. However, this ground reality has resulted in two developments that go contrary to conventional logic. This paper stresses that though crime rates have declined, prison populations have actually increased, which questions the very basic premise that the threat of getting caught and imprisoned actually deters crime. In fact, the prison population is likely to grow in coming years. A study by the Bureau of Justice Statistics revealed that the 1994 prison population would rise by 51% by the year 2000. This is a direct result of taking into account a person’s prior criminal record, however minor and irrespective of the relevance of previous offences to the new charge. The other aspect is the increasing numbers of African Americans in particular that constitute the prison population. This is in spite of the fact that several positive changes in society such as the civil rights movement and enhanced educational and employment opportunities.

Strategic Human Resource Management Essay Example | Topics and Well Written Essays - 2500 words - 3

Strategic Human Resource Management - Essay Example The discussion provides recommendations on how organizations should align their strategies to achieve excellence. Competitive advantage and Life cycle models explore the link between the set business strategy and the policies and practices within the human resource department. Comparing and contrasting lifecycle model and competitive advantage is essential in terms of their similarities and differences with respect to HRM. Competitive advantage model includes differentiation as a way of achieve unique feature that can be of valued to the buyers. The resources that give a firm a competitive advantage should have value. Life cycle model encompasses all the relevant stages demonstrate the growth or maturity stage of a firm. For the HRM to have a gain competitive advantage, the policies and practices must be in keeping with the development stage in the life cycle model (Rees and Smith, 2014). The viability of human resource depends on how well the differentiated products are in tandem with the industry demands (Johnson, Scholes, and Whittington, 2002). Therefore, competitive advantage and life-cycle models help to shape the HRM policies and practices in response to industry demands in different life cycle stages. Competitive advantage and life cycle models cannot be applied in isolation. A mature organization requires cost leadership and differentiation to survive in the industry. The viability of a firm to sustain competitive advantage stems from attaining maturity. Boxall and Purcell (2011) argue that a firm may set out to be the best in the industry by focusing on cost and product differentiation but it must have reached the maturity stage to position itself well in the market. The organization must be mindful of the lifecycle stages to initiate a change in the tactics used to approach the market. The HRM practices are geared towards reducing competition and offering products that are cost effective for all customers (Marchington and Wilkinson,