The length of the wire Essay Example for Free

The length of the wire Essay Affected by the length of the wire. I will be investigating by using three types of wire Thin, Thick and finally an even thicker wire then second time around. I will be also recording my results by taking down what the volt meter displays and what the Ammeter displays. I will be recording the results for each wire and also I will be increasing the wires thickness after I measure 10cm of length each time having taken down the results. Apparatus: Meter Ruler- Safety Goggles- Cell- Wire- Crocodile Clips- Ammeter- A Voltmeter- V Plan. For the following experiment my plan will be to firstly wire up all the appliances to create a circuit then I will predict whether the resistance increases or whether it does not increase while the wire increases. I will carry out the experiment increasing the length of the wire by 10cm each time I will then take down the results of the voltage, current. To measure the voltage I will use a Voltmeter to measure the Voltage, to measure the length of the wire I will use a meter ruler and finally to measure the current I will use a Amp meter. After gaining these results I will work out the resistance using this formula: Resistance=Voltage/Current Having gaining the results I will write them up in a table from which I will plot the graph to support my results Then after drawing the graphs I will come to my conclusion, in my conclusion I will conclude what happened in the experiment and I will say whether my prediction is right. I will then come on to the evaluation of my experiment. Prediction My prediction is as the Length of the wire increase by 10cm the resistance will get affected making it to increase. The factors which may affect my experiment are firstly the cell(Battery) which may ran out or cause a defect, The voltmeter or ammeter may show the wrong Voltage or current and there also could be a wrong connection being made connecting the circuits. There also could be a user fault and they may measure the wrong length of wire. The factors which need to be controlled are to firstly to get a good working battery and them some healthy working wires. You need to make sure u connect the circuit correctly and also you need to make sure you measure the correct length each time. I will also keep the same temperature to make sure the experiment is even I will do this by using a thermometer to make sure the temperature is constant. I will be using Room temperature. Work Done By- SaNjE Balendra Table of results (Thin Wire) Length Voltage Current Resistance Here are is the table of results for my first experiment in which I used a thin wire Work Done By- SaNjE Balendra Table of results (1st Thick Wire) Length Voltage Current Resistance  Here is the table of results for my second experiment in which I used a thick wire Table of results (2nd Thicker Wire) Length Voltage Current Resistance Here is the table of results for third and final experiment Work Done By- SaNjE Balendra Conclusion Having done my experiment I have come to my conclusion. In my experiment I have found out that as the length of the wire increases the resistance increases. This is because as the length of the wire increases it causes the current and voltage to increase which means the resistance increases as well resistance is equal to voltage divided by current. The resistance increases because there is more sufficient surface area which means the can atoms to collide, when the thickness increases it causes the resistance to decrease as there is a lot of surface area so there will be less collision. Evaluation The experiment proved to be a success and it went very well although it could be improved by trying other lengths, different voltages but also a different type of wire to be able to compare the resistance difference this would make a more interesting experiment. I feel overall my results were quite precise. You can see my results were accurate looking at all 3 of my graphs, which shows a straight line through most of the points apart from one or two which are on the line or not very apart from the line. The 2 points on the (thin wire) which was not close to the line was a Anomaly but it did not effect the gradient in the graph. In my experiment the places I think I made the most errors in the experiment was measuring the length of the wire as it was hard to measure the wire keeping it straight and then holding a meter wire to measure it. I can improve on how to measure the wire by using more than one person to either help me or do the experiment with me, I can also improve by being sensible and being focused on my work and on what am doing.

Home / Identity Essay -- science

Home / Identity The word ‘home’ is something that is often misunderstood. Home makes up your identity and not many people know that. Therefore you ask me, ‘what is home?’ Home is not just in your house. Home is a place that surrounds you. It’s you environment and cause for emotions. Your home is where you are with the people that surround you (peers, family, and strangers), as well as cars, houses, stores, and/or toys. All of these things (people, buildings, playful objects, and nature) are the components that make up a home. Some people don’t have all of those things in their home though. A homeless man has no house to live in whereas a rich man has a beautiful house to his or her accommodations as well as anything that will make him or her happy. This also explains the question, ‘where is home?’ Home has no exact place to be. Your home can be on the opposite side of someone else's home. You can even share the same home with family members that live with you, even though they see it different than you. That is because you don’t share the same emotions. Emotions are expressed differently through each person because of their life experiences. A young child could be laughed at at school, while their brother or sister(s) isn’t laughed at. The result for that is that they could live in the same home, but be different people in their personalities. The word ‘personalities’ is often mixed up with the word ‘identity.’ The way a person is treated affects their personalit...

Causes of Global Warming

Natural causes of global warming include the release of methane gas from arctic tundra and wetlands, climate change, volcanoes etc. Methane, a greenhouse gas which traps the heat within the earth's atmosphere, is let out in large quantities in the arctic tundra and wetlands. In case of volcanoes, when a volcano erupts, tons of ash is let out into the atmosphere. Even though nature contributes to global warming, this contribution is very insignificant when compared to human contribution for this hazard. Anthropogenic Causes. Anthropogenic causes for global warming are those which are caused due to human activities. The most prominent cause being man-made pollution. A large part of this pollution can be attributed to the burning of fossil fuels. This includes burning coal to produce electricity as well as burning gasoline to power internal combustion engine vehicles. When these fossil fuels are burnt, they let out carbon dioxide, which is yet another greenhouse gas which traps heat within the atmosphere of the Earth and contributes to global warming. Secondly when the Earth is dug to extract these fossil fuels in the process known as mining, the methane inside the Earth's crust escapes into the atmosphere and adds to other greenhouse gases such as carbon dioxide. If we start investigating the anthropogenic causes of global warming, we zero in on one of the most important cause of global warming – population. More population means more requirements, which includes food, electricity and transport. In order to fulfill these requirements, more fossil fuels are consumed, which eventually leads to global warming. Humans breathe out carbon dioxide, and with an increasing population, the amount of carbon dioxide humans breathe out also increases and leads to global warming. Even agriculture contributes to global warming, owing to the extensive use of fertilizers, and the dung produced by cattle which is another prominent source of methane. These were just a few of the numerous global warming causes. Many people argue that global warming is a slow process, But they forget that the factors which cause global warming are rapidly rising. The rate at which we are contributing to global warming has rose considerably, and is expected to rise at a faster rate in the future. We have already done enough of damage, and hence it's high time we understand the global warming causes, we may not live to face the dreaded consequences of global warming, but if we don't act fast, it will be our future generations who will have to bear the brunt.

Essay Ethnic Inequality in Health Care - 1723 Words

The purpose of this essay is to firstly give an overview of the existence of inequalities of health related to ethnicity, by providing some evidence that ethnic inequality in health is a reality in the society and include definitions of keywords. Secondly, I will bring forward arguments for and against on the major sociological explanations (racial discrimination, arefact, access to and quality of care) for the existence of health inequalities related to ethnicity. Thirdly, I would also like to take the knowledge learnt for this topic and brief outline how this may help me in future nursing practice. First of all, it is important to consider the whole aspect of ethnicity as it has other elements such as race and culture which goes†¦show more content†¦In order to identify ethnic groups, information is gathered from the population through a national survey called a census. According to Gill et al (2002) the question on ethnic groups was only first introduced in the 1991 census. Denny and Earle (2005) mentions that minority ethnic groups’ health statues seems be to worse than the white majority people. This may imply that ethnicity could the cause of poor health. However, they go on stating that ethnicity is not the cause of health statues. This indicates that there may be other elements which influence health experiences and not just ethnicity alone. This supported by relevant literature as Smith et al (2000) highlights that major causes of death such as ischaemic heart disease and lung cancer affect anyone irrespective of their ethnic group. Looking at ethnic inequalities in health, there was a longitudinal study which was conducted on ethnic differences in general practitioner consultations. This was mainly based on ethnic minorities who live in private households, which excludes the ones who lives in council and housing association properties. The results had shown that the consultation rates were higher in the Pakistani, Indian and West Indian ethnic groups compared to the white population at the ages 45 – 65 in both sexes (Balarajan et al, 1989). This indicates that there may be some health issues which need attention from professions. However, this research study shows the evidence of ethnic inequality asShow MoreRelatedEssay on Aversive Racism and Inequality in Health Care631 Words   |  3 PagesRacism and Inequality in Health Care   Aversive Racism and Inequality in Health Care: Kenisha Wilkerson Walden University Socioeconomic conditions of persons and the places where they live and work do strongly influence their health. 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