The resistance of the wire will be measured Essay Example for Free

The resistance of the wire will be measured Essay There were 3 types accuracy equipment we used:   Ruler which was accurate to + or 1mm   Ammeter which was accurate to + or 0. 01 amps Voltmeter which was accurate to + or 0. 01 volts To make sure our results were fair we did each result 3 times, worked out a resistance and then worked out the final resistance. Making it Fair We did certain things to keep the investigation fair:   We used the same lengths of wire each time. We used the same current each time.   We used the same material each time. Safety To make our investigation as safe as possible, we tried work in a safe and tidy environment which was not overcrowded. We also worked with less than 1 amp because it might overheat and there would be a danger of burning. We switched off the power when we were changing the wires to avoid getting burned. We did not cut the wire from the reel to avoid getting cut. Results We have tested constantan in this investigation. Material Length of wire (cm) Current A B C Voltage A B C Resistance A B C Average 24 swg Material Length of wire (cm) Current A B C Voltage A B C Resistance A B C Average 26 swg 7 Material Length of wire (cm) Current A B C Voltage A B C Resistance A B C Average 28 swg Material Length of wire (cm) Current A B C Voltage A B C Resistance A B C Average   Material Length of wire (cm) Current A B C Voltage A B C Resistance A B C Average   Conclusion The results in all the tables show that the resistance increases each time the length of the wire is increased, as shown in all of the tables above. The length of the wire affects the resistance of the wire because the number of atoms in the wire increases as the length of the wire increases. The resistance of a wire depends on the number of collisions the electrons have with the atoms of the material, so if there is a larger number of atoms there will be a larger number of collisions, which will increase the resistance of the wire. Evaluation After doing this experiment, I have come up with a reliable set of results. Even though I have achieved a good set of results there are obviously going to be errors, which I have made that could affect the investigation. The errors that I came across were, the wire was very hard to get straight and had bends, the voltmeter was only accurate to two decimal places so the voltage was flickering which made it hard to tell what the exact number was. To make my accuracy better we could have done more than ten lengths, done each result more than three times, used ammeter and voltmeter sensor. We could also have used different cross sectional areas or use different materials. I think my graph was good to look at but there are still one or two anomalous results which could have been caused by accuracy measuring instruments which we could have improved. To support my conclusion I could do some extra work like testing more materials to see what other materials it would work with. We could test more length to see if the graph will rise in proportion or will there be a point where the graph will bend and the resistance will not go any higher. 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.

Teaching Philosophy :: Free Essays Online

Teaching Philosophy My teaching philosophy is that teachers need to relate the concepts that students learn to the world around them. Students attend an educational institution to prepare for future employment and to enter the real world. The basic skills that are needed to survive in society are taught in the classroom like reading and writing, but students must also be taught that the concepts that they are learning in the classroom will prepare them for the rest of their lives. The concepts that a student is learning must affect his or her life directly. To be more specific, students should be able to feel as if the subject matter that he or she is learning is somehow related to them and has an affect on the world that they live in. Students need to be able to relate to their school work to supplement further engagement. The more that a student feels they can relate to a specific subject, the stronger the possibility that the student will continue to be eager to learn the subject. For example, in an English classroom, students should be able to see themselves in an aspect of the literature they are reading. A group of seventh graders may have a hard time relating to a book about someone who is 5 years younger then them, but they may be eager to find similarities between themselves and a character that just happens to be of the same age. Showing your students that you care about their world allows your students to see that you care about them. If a teacher cares enough to relate the subject matter to a situation that may be occurring in his or her student’s lives, then the student will appreciate it. It motivates a student to excel and makes the teacher seem more approachable to the students. For example, the teacher should chose

Frankenstein Rejection Essay

In the novel of Frankenstein, there are several prominent themes. The main theme however is rejection. Rejection is not singled out on just the relationship of Victor and the Monster. Yes, Victor does reject the Monster but that is not all. Society as a whole rejects the Monster. Also, in a sense, the De Lacy family was/is rejected by society as well. In a situation like the one in Frankenstein, rejection is easiest when it comes to defiance in society. Victor longed to create life. In that, he took it upon himself to experiment with dead people in older to accomplish it. However the insanity caused by the obsession made him reject the Monster. â€Å"The different accidents of life are not so changeable as the feelings of human nature† (pg. 42). This is a prime example- case in point. Human nature is to reject the unusual. Victor’s obsession with science and creation is the basis for his hatred. Society rejects the Monster based on his looks. Honestly, if an eight foot, stitched creature came up to you what would you do? You’d reject it. The people of the village rejected the Monster when he was looking for shelter, protection. They judge him on a look basis and it links to society rejecting the unusual and ‘ugly’. Society sets an unbreakable standard for individuals to follow in order to be accepted. Those who defer from the stand are shunned for being different. Felix DeLacy was only trying to correct a societal wrong in freeing Safie’s father. Humans, as a whole, enjoy seeing pain inflicted onto others. This makes complete sense because when it comes to public executions masses are gathered and cheering. â€Å"The government of France was greatly enraged and punish † (pg. 106). Society accepted the DeLacy’s because they had money. Once Felix reached out to help another and the DeLacy’s lost their money and social status, society rejected them. Society wants nothing to do with the poor. Society wants nothing to do with the poor, the kind hearted or the ‘unique’. Rejection is the main theme of this novel. The whole novel demonstrates the theme of rejection. Victor’s obsession with creating life is the major component leading to his rejection of the Monster. Society rejecting the Monster when they don’t take time to understand what they don’t know or understand. And you cannot forget society rejecting the poor. This is the perfect example of rejection in society. Society doesn’t enjoy what they do not like or understand so the easiest thing to do is reject the defiance.

The Failure Of Is Google Making Us Stupid - 981 Words

The Failure of Is Google Making Us Stupid? With the fast-paced development of technology, more and more people get used to reading through computers rather than printed books. While acknowledging the convenience provided by the internet, Nicholas Carr expresses his concerns that â€Å"as we come to rely on computers to mediate our understanding of the world, it is our own intelligence that flattens into artificial intelligence† (328) in his article Is Google Making Us Stupid? Published in the 2008 issue of the Atlantic. However, there existed some weaknesses in the argument due to his overstated pathos, inappropriate examples, and faulty logics, which to some extent hurt his persuasiveness. At the beginning of the passage, the writer tries to deliver his worries about the internet’s harm on human minds, but ultimately fails to resonate with the audience because of the improper use of words. He describes the impact of the computer as â€Å"shaping the process of thought† (315) and â€Å"chipping away a person’s capacity for concentration and contemplation† (315). The words â€Å"shape† and â€Å"chipping away† strongly imply that the computer seems to become a threat, distracting people’s attentions and hindering them from contemplating. He attempts to evoke the same fear from the audience, which in fact works in the opposite way. 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