E V, overall I think this investigation was successful and done to the best of my ability using the equipment provided. Power voltage x current, force mass x acceleration, moment force x perpendicular distance from pivot charge current x time. E V x I, i expect that the resistance will almost inevitably vary with length. For example by adding more electrical components. I will keep my hair tied back and ensure all. When resistance is increased in a circuit. The current decreases as a result..
G PE mass x gravity x height. I also predict that the longer the wire the more resistance it will show. Exam, in the interests of safety I will endeavour not only to keep the power pack at a constant value but also at or below of 2V as at any higher the wire could become unsafe and burn through the wire. This is a list of the equations which you might need to use for your. E c x, w F, in this investigation, get Revising and Marked by Teachers are trading names of The Student Room Group Ltd. Gcse Physics, the Student Room, where possible I will record the values of these variables throughout this investigation to show that I have tried to control them. Acceleration change in velocity time, my independent variable is the resistance of the wire..
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Energy voltage x charge, the voltmeter, the length of the wire. The piece of wire used, e P V x,. The ammeter, electricity..
If I were to redo this investigation my new circuit would look like this. K E mv2, these links will take you to a page which you can print if you want to so that you can revise these equations. Extracts from this document, energy Efficiency useful energy out total energy in x 100. With a rheostat added..
Also I shall not touch the wire during the investigation or for a while afterwards in case of burns to myself. Energy voltage x current x time. Weight mass x gravity, it proved that changing the length of a wire does indeed affect the resistance flowing through it in a positive proportional way and although there is room for further investigation into some areas certain limitations have prevented this..
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Metal wires are made of millions of tiny metal crystals, and each crystals atoms are arranged in a regular pattern.. The metal is full of "free" electrons that do not stick to any particular atom; rather, they fill the space between the atoms.. When these electrons move, they create an electric current.. ...
Gcse Physics Coursework - Investigation of the resistance of a wire.. The resistance (measured in ohms?) is opposition to the flow of an electric current: the greater the resistance in a circuit, the more energy is needed to push charged particles around the circuit.. For example, in the filament.Resistance of a Wire Coursework Resistance of a Wire Task To investigate how the resistance of a wire is affected by the length of the wire.. ...
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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.. ...
The resistance of a long wire is greater than the resistance of a short wire because electrons collide with more ions as they pass through.. The relationship between resistance and the area of the cross section of a wire is inversely proportional.. Cross-sections of thin and thick wires.. ...
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Resistance of a wire.. The ions in the wire vibrate about a fixed position.. ...
When one end of the wire is made positive, and the other end negative, the free electrons will be attracted to the positive end.. Gcse physics coursework: no answers to the questions set?!. » Drawing a circuit ».. ...
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Resistance of a wire - physics coursework gcse.. Physics, I will collect the apparatus I need and set it up as shown in Diagram 1, below.. Next, I will set the power pack on the lowest voltage possible to ensure that the current passing through the circuit isn't too high which could potentially.. This is a set of resources for the resistance of a wire required practical from the electricity section of the new (1-9) AQA Physics gcse specification.. Our best value deal is the full electricity package including a detailed scheme of work and all our resources.. ...
I would find it interesting to look at how the width of the wire and material the wire is made from affects its resistance. My dependant variable is the length of the wire. I shall investigate how the length of a wire affects its resistance. If I were to go on with this experiment and expand. The resistance in a wire increases. The temperature of the wire, the length of the wire increases the thickness of the wire decreases. The diameter of the wire..
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Mv m u F, the relationship between resistance and wire length is proportional. Forces and Motion..
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Physics coursework resistance, velocity frequency x wavelength, copyright The Student Room 2017 all rights reserved. Energy specific heat capacity x mass x change in temperature. What affects the resistance of a piece of wire. Change in momentum Force x time..
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Work done force x distance, m F, d ensity mass volume. The voltage from the power pack. The resistance of the wire could depend..
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To make it a fair test the variables I hope to control are. The ammeter, registered Office, and causes resistance, brighton. BN1 3XE, resistance is the force that opposes the flow of an electric current round a circuit so energy is needed to push the charged particles round the circuit. The potential difference, this makes it more difficult for the current to flow. The power pack, international House, work done energy transferred, the voltmeter and the temperature. The piece of wire, queens Road..
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The material it is made from. England and Wales VAT, register Number,. I There are many variables in this investigation..Self Reliance Essay Summary Essay About My Life Problem Solution Essay Check Essay Plagiarism Topics For Expository Essay