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    Resistance of a Wire Experiment Task To investigate how the resistance of a wire is affected by the length of the wire. Theory What is resistance? Electricity is conducted through a conductor, in this case wire, by means of free electrons. The number of free electrons depends on the material and more free electrons means a better conductor, i.e. it has less resistance. For example, gold has more free electrons than iron and, as a result, it is a better conductor. The free electrons

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    Resistance of a Wire Experiment There are a range of factors that can affect the rate of resistance in a wire. These include: · Length of wire · Thickness of wire · Temperature · Material For my investigation I have chosen the first factor, the length of wire. I will see how the length affects the resistance. Resistance is the property of an electrical conductor, to work against the flow of the current and change some of the electrical energy into heat. The quantity

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    Factors Which Affect the Resistance of a Wire To start off this experiment I feel that it is suitable to explain the main facts of this study. Below is a section explaining the resistance in detail. Facts on Resistance: I have shown how resistance occurs. · WIRE · ATOMS · ELECTRONS Resistance occurs when the electrons traveling along the wire collide with the atoms of the wire. These collisions slow down the flow of electrons causing resistance. Resistance is a

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    An Investigation on the Current of a Wire Planning -------- Aim: In this investigation I aim to find out whether the length of a wire affects the current of a wire. Equipment List: · Power Pack · Wires (3 different thicknesses: thick, medium and thin) · Crocodile clips · Wooden board · Ammeter Method: 1. Set up a circuit with a battery and an ammeter as shown in the diagram below. [IMAGE] [IMAGE] [IMAGE] [IMAGE] [IMAGE] = Battery cells [IMAGE]

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    The Relationship Between the Length of Constantan Wires in a Circuit and the Current Aim To investigate the relationship between the length of constantan wires in a circuit and the current flowing through. Introduction ============ In a conductor electrons are able to jump between atoms. However in insulators they remain around a single atom unable to move. Constantan, a metal, unlike most other metals is a poor conductor although it is also a poor insulator. Being a metal it

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    Relationship Between the Resistance and the Length of a Wire Aim: To find the relationship between the resistance of the wire and the length of the wire Background Factors: i. Temperature : If the wire is heated up the atoms in the wire will start to vibrate because of their increase in energy. This causes more collisions between the electrons and the atoms as the atoms are moving into the path of

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    the Resistance through Wire We are using constantan wire to check the resistance thought wire; our variant is going to be the different length of wire. We choose this because it seemed like an interesting variant and it might proof to me that in certain cases it would be more acceptable and also safer to use for example a longer piece of wire rather then a smaller one. To do our experiment we will use the following apparatus · Power pack · Constantan wire · Amp meter We as

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    Insulated Wire · Iron Nails · Voltmeter · Plastic Beakers · Electronic Balance Hypothesis: I expect the strongest electromagnet to have a 'soft' iron core; the highest number of coils (45); the strongest voltage (10V) and current and have the coils evenly spread across the iron rod. The 'soft' iron core means it changes easily between being magnetised and de-magnetised, it is perfect for electromagnets, which need to be turned on and off. From a previous experiment, using an

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    Resistivity of a Wire Aim The aim of this experiment is to find out how the area of the cross section of the wire affects the resistance and also to find out the resistivity of the wire having found the resistance over a certain length and using a certain cross sectional area. I will also experiment to see how the length of the wire affects the resistance. Plan The first thing that I will do is to set up the apparatus as shown below. A,V Except for the experiment where I alter

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    Analysis Of The Wire

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    The Wire is structured both horizontally and vertically, from the foot soldiers of the drug trade, through the school system, newspapers, police department to the higher executives in charge of everything, which shows the parallel and prevailing problems that plague all of society. The show provides a viewer with an insight into the steep decline in social order, in which cops, politicians, teachers, workers and criminals are surrounded by the corrupting forces that overwhelm them all. The Wire tells

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