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Risk Assessment To keep the experiment safe I shall keep electrical conductors away from the plug sockets. I will take care not to hurt myself or anybody else with the crocodile clips. I will also not turn the power socket on full so as that the wire does...
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INTRODUCTION This piece of physics coursework is an investigation, which will try to find out the factors affecting the resistance of a wire and reasons behind these. Mechanism of conduction: - In metals there is conduction most metals follow ohmic-law but in plastics there is...
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For this project I want to investigate the factors affecting the resistance of a metal wire. Factors that effect the resistance of a wire are: Length Diameter Cross-sectional area worked out from this. Material used Temperature Of the above variables, I will be varying...
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Life is sustained by the energy from the sun. Without the sun all plants and animals would die. The sun provides 99.98% of the energy, which naturally flows through the surface environment of the earth. Put another way, the sun supplies 5000 times more energy than all other sources combined....
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How has globalization changed Vietnam After many years of war with France and the United States, Vietnam closed its economy to the outside world and attempted to control its own destiny. This was not successful and the country decided to open its doors to globalization in the 1980s...
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Aim: To investigate the heat loss of the insulating materials, bubble wrap, cotton wool, blanket and foil Introduction: I will carry out this investigation by measuring the temperature of hot water in beakers insulated with these materials. Naturally the insulated beaker with the warmest water will have prevented...
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Some say that sports in America are favored more by people who live elsewhere. I wonder why. Studies have shown that some people like the fact that most sports have some type of physical contact. Why is that most Americans rather watch sports on television than read a book, maybe...
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A trolley is positioned the top of a ramp, the summit being Xcm from the ground. It is then released, rolling all the way down the ramp which is a set length, then comes in to contact with the ground and travels a distance of 2 meters before it...
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Introduction To investigate how the length of a wire affects resistance in an electric circuit, different lengths of wire will be placed in an electrical circuit and the effects will be observed. An ammeter and voltmeter will be used to measure the current and voltage in...
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Aim: To find out how temperature affects the viscosity of oil. Equipment: Oil, water bath, thermometer, beaker and funnel, measuring cylinder Plan: Oil will be poured through a funnel into a beaker. We will be timing how long it takes the oil to pour completely out...
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