The strength of an electromagnet Essay Example for Free

The strength of an electromagnet Essay I found out that the best variables to use were 10-35 volts this means that the electromagnet doesnt get too hot and 10 volts does pick up a few nails. I also found out that changes the number of coils on the electromagnet wasnt a good idea as its very difficult to get an accurate reading, so I decided to change the voltage, but as I changed the voltage the current changed on the ammeter, so I decided to have both the current and the voltage change, so I could multiply the answers together to get the power rating in watts. Changes to Plan. I decided to change my original plan as I wanted to investigate another way of strengthening an electromagnet. I will do this by keeping the power the same and changing the number of coils that surround the soft iron core. To keep the power the same I will set up the exactly the same equipment as before and then set the current and voltage to constant amps and volts. Current being 4. 85amps and the voltage being 23 volts, this means the power will be 111. 55 watts. I will start the number of coils at 5 and go up to 30 with intervals of 5 and I will repeat these intervals 3 times each and then take an average at the end. Prediction I predict that the more coils of wire that are around the soft iron core then more nails will be picked up by the electromagnet this is because, the more coils of wire used in around the soft iron core, the stronger the magnet is. If there is one coil, and another is added, then the two coils have twice the strength of one. Precision and skill In my table I found that there were a few anomalous results, so I first drew a graph that represented the results including the anomalous ones and then a graph without them. To make the average of my results accurate I repeated them 3 times and then found the average. The anomalous results are highlighted in the table. Conclusion supporting prediction In my prediction I stated that when the number of coils around the soft iron core were increased the more nails the electromagnet will pick up, this means that my prediction was right as my graph shows. Detailed scientific knowledge From my graph it also shows that the reason from my prediction was right that when the passage of an electric current along a wire creates a magnetic field around the wire. The fields are in the shape of a series of concentric rings. We can make use of this magnetic field by wrapping a wire carrying a current around a soft iron core. Soft iron is used because it is easily magnetised and demagnetised, so when the power is switched on the magnetic lines of force flow into the iron it becomes a magnet. The more coils of wire used in around the soft iron core, the stronger the magnet is. If there is one coil, and another is added, then the two coils have twice the strength of one. Evaluation Quality of evidence and anomalies I think I had good quality evidence as I had a good range of results and I repeated them 3 times each. Although I did get a couple of anomalous results as shown from the graph, I highlighted these on the table and then ignored them and drew another graph showing a more accurate investigation. Things that could have contributed to these anomalies are; the voltage may have differed throughout the investigation which means that the power would not have been the same, the coils around the soft iron core also may have moved slightly throughout the investigation, similarly the crocodile clips could have been moved when the soft iron core was picked up and then replaced from the plastic beaker. Also the weighting machine might not be completely accurate plus several times I had to use a different weighting machine so I might have got wrong readings. Another reason that I could have collected anomalies in my results might be because I could not be sure whether I had left the soft iron core in the plastic beaker the same amount of time for each different amount of coils and for each repeat. Suitability of procedure. I think some parts of my procedure was suitable for the time I had to collect my results and to make sure that everything was a fair test and each time I recorded a results I made sure as accurately as I could that it was done in the exactly the same as the one before it. Changes to improve If I was to do this investigation again I would change some of the things I did so I wouldnt get as many anomalies, although I still think I can support my conclusion from my graph because it is scientifically correct but the things I would change would be: I would use the same weighting machine for each test and make sure that it is on an even surface. I would also time the time that I would leave the soft iron core in the plastic beaker of nails, so this would hopefully insure that the investigation would be more of a fair test. Further work If I was to extend this piece of coursework I could of carry put the investigation that I was originally going to do, this might help to find out if there are other ways of increase the magnetism of an electromagnet and find out if the results were the same.

A Poetic Tragedy Essay -- Literary Analysis

Hamlet is a tragedy by William Shakespeare, accepted to have been in written between 1599 and 1601. Perhaps the most famous tragedy ever written, the plays is about Prince Hamlet’s revenge for his father’s murder which eventually leads to his own death. The central character of the play is Hamlet, Prince of Denmark. Hamlet becomes the tragic champion who successfully makes his reprisal for his father's death by murdering the antagonist, monarch Claudius, but he furthermore misplaces his own life as well as the inhibits of those dearest to him in the end. At the opening of the play, Hamlet’s dejected for his father's death and the quick remarriage of his mother and King Claudius motives his attempt to find out the truth, and furthermore, his dead father informs him about his murder as a ghost, which determinants him to revenge (Edwards 52). Hamlet’s madness, hesitation to action, demand for visual proof, and final revenge are conventions of a dramatic form called revenge tragedy. All through the play, from searching the killing to justifying the truth, and finally revenge, Hamlet is bent on avenging his father’s death. Claudius is in alignment to come to his aid of revenge, which is the principal theme all through the play. The play, focused in Denmark, explains how Prince Hamlet exacts revenge on his uncle Claudius for killing the historic King Hamlet, Claudius's own male sibling and Prince Hamlet's dad, and then marrying Gertrude, the King Hamlet's widow and mother of Prince Hamlet. The play vividly journals the path of natural and pretended madness—from swamping failure to seething rage—and discovers topics of deceit, revenge, incest, and lessons in fraud (Hoy 99). Throughout the play, Hamlet has numerous opportunities’ to ave... ...William. Literature for Composition. Longman, 2011. Print. 908-1011 Edwards, Phillip. Hamlet, Prince of Denmark. New Cambridge Shakespeare ser. Cambridge: Cambridge University Press, 1985. 52-63. Hoy, Cyrus. Hamlet. Norton Critical Edition ser. 2nd ed. New York: Norton, 1992. 99-111 Lott, Bernard. Hamlet. New Swan Shakespeare Advanced ser. New ed. London: Longman, 1970. 72-88. Ronald Knowles. Renaissance Quarterly. Vol. 52, No. 4 (Winter, 1999). 1046-1069 Published by: The University of Chicago Press Article Stable : http://www.jstor.org/stable/2901835 Spencer, T. J. B. Hamlet. New Penguin Shakespeare ser. London: Penguin. 1980. 67-81 Wells, Stanley, and Gary Taylor. The Complete Works. By William Shakespeare, The Oxford Shakespeare. Compact ed. Oxford: Clarendon Press; New York: Oxford University Press, 1988, 231-241.

The Hunger Games and Child Soldiers: the Sad Truth

Hunger Games and Child Soldiers: The Sad Truth The Hunger Games, by Suzanne Collins,(Collins) and Child Soldiers are intertwined together because they are both children fighting for their lives. The children are alike because they got executed into being prisoners, that fight to their deaths and kill savagely. The children live similarly because they both have organizations or sponsors helping them get out of their situation. Lastly, the children experience the same emotions because The Hunger Games(Collins) is kind of like a realistic version of child soldiers.The Hunger Games (Collins) and child soldiers think alike because children from both scenarios are fighting for their lives through brutality, hunger, and savageness. The Hunger Games(Collins) and Child Soldiers are intertwined together because they are both children fighting for their lives. The children are alike because they are both prisoners that are forced to fight and kill savagely. The children are similar because they both have organizations or sponsors helping them get out of their situation. Lastly, the children are alike because The Hunger Games(Collins) is kind of like a realistic version of child soldiers.The Hunger Games (Collins) and child soldiers are alike because children from both scenarios are fighting for their lives through brutality, hunger, and savageness. Child Soldiers, like The Hunger Games(Collins), are very alike because they are both young children forced to fight and kill savagely. According to War Child, a reliable organization aimed at saving child soldiers, Child soldiers are kids that are under the age of 18 who are used to fight and kill in wars and for power. (warchild) Children as young as 12 years old fight and kill each other like it’s a friendly game.These children should be learning how to associate with other kids and play at the playgrounds with friends. Instead of normal childhood memories, demonic people such as Joseph Kony corrupt their minds into be lieving it's tolerable to kill. (Kony 2012, Invisible children inc. ) This flabbergasting organization Invisible Children Inc. , made Joseph Kony famous so he would get caught. According to the child soldiers global report, there is over 300,000 children in almost every country where there is warfare or conflict happening that still use child soldiers to combat. facts and figures on child soldiers) In The Hunger Games there is 24 tributes every year. (The Hunger Games, Collins). If all the tributes are added up over the years, all the myriad deaths in both The Hunger Games and child soldiers is a drastic tragedy. (collins) Child Soldiers and The Hunger Games are poor children forced to fight fiercely. If the children refuse to fight, they will be killed instantaneously. (The Hunger Games, Kony 2012) These children will do anything to survive even if it means to eradicate their peers who are in the same situation as them, or secretly be in love with someone.Katniss and Peeta, from Th e Hunger Games, are secretly in love for the cameras to get sponsors, only for survival. (Collins) In The Hunger Games, if the tributes have information about something, the capitol will kidnap them, and turn them into beasts, which then the capital tortures them to death instead of letting them live a profligate death. (Collins) For example, Peeta is kidnapped from the Capitol and is turned into a beast and tries to kill Katniss against his will, a disastrous trick from the Capitol. Collins) Child soldiers and The Hunger Games relate because both the leaders of the child soldiers,and the Capitol, from The Hunger Games, will kill the children if they violate their rules. (Invisible children Inc. , Collins) The Hunger Games and child soldiers are alike because they both have organizations or sponsors who are exasperating to save the adolescents' lives and contribute them stipulations for survival. (Invisible Children Inc. , Collins) In the Hunger Games Katniss has various sponsors se nding her food, medicine, and weapons to help her outlast, and make it out of the games. Collins) The sponsors who send items for the tributes survival, costs a great deal of money to give to the tributes,even if it’s just a crumb of bread. (The Hunger Games, Collins) Organizations trying to help children get out of being child soldiers are like the sponsors facilitating tributes. Both sponsors and tributes traverse over trying to scoop up money to buy equipment to donate. Some famous organizations, aimed at helping child soldiers get out of being a soldier, are The Invisible Children Inc. , and War child. War Child and Invisible People) Child soldiers, with the help of organizations, can get out of warfare and have education, plus return home safely. (War Child, Invisible Children Inc. ) In The Hunger Games it costs a lot to send to send the tributes gifts from their sponsors. (Collins)The reason this has to do with child soldiers is because the organizations that help child ren don't have much funds. Ann O Neil, from CNN, thinks the organizations do not have much funds to help child soldiers so they are not as effective as the organizations could be. Ann O'Neill,Cnn, Kids turned into Terrifying Killers) Collins probably got the idea of having sponsors from the child soldiers organizations. Some children who have been through the cruelty and savageness they go through, end up never getting their innocence back. In The Hunger Games, the living tributes have visions of killing each other, which end up haunting them through gruelling, unmistaken mayhem known as a nightmare, which Katniss needs Peeta to help her get through. (Collins)â€Å"I have lost all my dreams, all my hopes for the future, I feel like a dead person†, a former child soldier from the LRA says. War Child) Many tributes from The Hunger Games and child soldiers are troubled for the rest of their life after killing people. (Collins, Kony 2012 video) Child Soldiers is like a realistic version of The Hunger Games. In the novel, Katniss is poor with the rest of the districts compared to the capitol. (Collins) It is like Africa or other places where child soldiers exist with savagery. The children are barely fed and child soldiers sometimes even have to be savage and eat parts of dead children. Facts and Figures on Child Soldiers) There is not words to explain how inhumane both The Hunger Games and the thought of child soldiers are. The idiosyncrasy of the leaders is unbelievable when it results to having children fight. The reason child soldiers are taken more easily is because families live in bad areas from poverty and they get kidnapped. (Kony 2012 Video) The children are easier to prey on if they are in poverty. In one article on CNN, a child soldier said he couldn't wait to be old enough to get out of being a child soldier so he could be a hitman for drug cartels to put food on the table. Stolen Kids Turned into Terrifying Killers, CNN) This is like The Hunger Games lifers who train their whole lives to be in the games for fame. Lastly, both The Hunger Games(Collins) and child soldiers will do cruel things, because they are so troubled from the society they live in. Lastly, child soldiers and The Hunger Games both hope to get out of their situation. Child soldiers and tributes from The Hunger Games(Collins) don't fight back to their leaders, because there is hope to stop fighting or get out of the arena in The Hunger Games. Collins) Children fighting for their lives who are savagely forced to fight is the realistic version of The Hunger Games. Children fight for their lives through hardships like having the pressure of taking care of their family through getting paid of being a child soldier, or in Katniss’s case, making sure she will make it back out of The Hunger Games to be the provider for her family again. (Collins&War Child) Child soldiers and the tributes from The Hunger Games suffer many things, but in the end it comes dow n to the question of do all humans have savage secretly bestowed in them?The Hunger Games(Collins) and Child Soldiers are intertwined together because they are both children fighting for their lives. The children are alike because they are both prisoners that are forced to fight and kill savagely. The children are similar because they both have organizations or sponsors helping them get out of their situation. Lastly, the children are alike because The Hunger Games(Collins) is kind of like a realistic version of child soldiers. The Hunger Games (Collins) and child soldiers are alike because children from both scenarios are fighting for their lives through brutality, hunger, and savageness.

Management Planning - 1252 Words

Management Planning Student’s name Institution Management Planning Introduction Planning is the means of choosing the best option among others to carry out different managerial roles in order to attain predetermined objectives. It is a necessary management function, which includes formulation of one or more thorough plans to attain optimal balance of wants or demands with the available wealth. Planning is a thorough agenda concerning upcoming course of action. In the essay, I will discuss the management planning of Boeing organization. Planning as a purpose of management involves six steps. The first step is the establishment of realistic, acceptable and attainable objectives that†¦show more content†¦However, if a social responsibility is done by any member of the company outside of the company’s intent, then it could reflect on their entire reputation of the company. In the industry, commercial aircraft has a lot of uncertainties that have factors and risks that could have effect on the overall business success. The three factors influencing B oeing strategic, operational, tactical and contingency planning are economy, terrorism and globalization. Currently, Boeing Company has control on the profit levels, pricing and a series cash flow. In the commercial aircraft market planes, which is the most profitable Boeing enjoys a virtual monopoly; however, Boeing has to consider the very important factors when strategizing due to the volatility and fluctuating nature of the industry. The country’s economy is the main factor that impinges on aircraft manufactures. The decline of the economy explains the diminishing in orders for new airplanes. The purchasing power of airlines is low during the recession when demand in air travel is poor. A pilot project for target costing was implemented at Boeing and is now used companywide. In the entire company value chain, the major challenge is reaching the target cost. On the basis of an economy performance, Boeing works with its suppliers to clarify the current market pressures on c ost and also to unearth solutions for challenges faced. The company’s cost is lowered than the competitors byShow MoreRelatedPlanning : Planning And Management995 Words   |  4 PagesIn Chapter 5, the concept of planning is used to correlate planning and management. Planning, in regards to management, can be setting rules and guidelines to complete a goal. Planning can be broken down into different categories or type such as strategic planning, tactical planning, and organizational planning. Some critical components to have when discussing strategic planning is the vision, mission, and values. 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