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Physics coursework theory - resistance of a wire this essay physics coursework theory - resistance of a wire and other 64,000 term papers, college essay examples and free essays are available now on reviewessayscom autor: review • december 6, 2010 • essay • 261 words (2 pages) • 773 views.The resistance is greatest in the circuit with the least current - diagram a the ohm's law equation is often explored in physics labs using a resistor, a battery pack, an ammeter, and a voltmeter an ammeter is a device used to measure the current at a given location.Allowing the change to be monitored I suppose companies could use the Resistance to ensure the Cross Sectional Area (The thickness of the wire) was the correct amount - A thinner wire means more resistance.
For each wire plot a graph of resistance (y-axis) against length the resistance of a wire is given by the equation: r = ρ x l/a where r is resistance, ρ (pronounced 'rho') is the resistivity of the wire, l is length and a is its cross-sectional area.
Physics quality of measurement coursework quality of measurement write up wire this diagram shows how we carried out our experiment, by connecting 2 wires to the ohmmeter and attached the wires to the samples we used in our experiment.
Physics coursework resistance an investigation into the resistance of a wire – gcse physics an investigation into the resistance of a wire free gcse physics coursework essay physics coursework: factors affecting resistance of a wire hypothesis : factors affecting resistance of a wire.
Physics gcse coursework: resistance of wire aim: to investigate if the length of wire affects its resistance prediction (hypothesis): i predict that the longer the wire the higher the resistance, and the shorter the wire the lower the resistance.
I have to give a use for the experiment in a workplace and describe how the experiment is used ina workplace and expalin why it is useful.
I have to give example of the types of orangisation that use it but i dont't have a clue. A wire making firm that has to find the reistance of all the wire manafactured before sale?Aqa 2011 science gcses cse science a, gcse additional science and gcse physics is an investigative skills assignment (isa) consisting of two written papers the controlled assessment for gcse science b is a contextualised investigation.Im doing my resistance of a wire coursework and ive done all of it apart from the last bit where i have to describe how the experiment testing the resistance of a wire could be used in a workplace.Gcse physics coursework - resistance of a wire coursework to investigate the resistance of a wire using the equation v=ir resistance of a wire how does the length of a wire affect its resistance resistance of a wire resistance of wire physics coursework theory - resistance of a wire what factors effect a resistance of a wire resistance.Physics quality of measurement coursework essay quality of measurement write up wire this diagram shows how we carried out our experiment, by connecting 2 wires to the ohmmeter and attached the wires to the samples we used in our experiment - physics quality of measurement coursework essay introduction preliminary experiment at first in our.Gcse resistance of a wire coursework resistance of a wire – physics coursework gcse – gcse physics coursework – resistance plan what affects the resistance of a piece of wire there are many variables in this investigation.The resistance of a wire is directly proportional to the length of the wire and inversely proportional to the cross-sectional area of the wire (3) this means that when the length of the wire is doubled its resistance doubles and when the cross-sectional area is doubled the resistance is halved the wire gauge shows how big a wire is.Gcse coursework resistance of a wire features article content that reproduce conversations to check how the resistance of a wire is overstated via the dimension of wire page related to resistance of the wire coursework depicts to observe how the resistance of a wire is exaggerated because of the measurement of wire.Gcse physics coursework - resistance of a wire coursework rough trials in order to decide upon the voltage and lengths of wire to use in the final experiment, the following rough trials were carried out: at 3v: length (cm) voltage (v) current (a) resistance (w) (to 2 dp) 10 041 090 046 20 051 057 089 30 056 042.Also there was a strain gauge mentioned on a past A level exam I did.They put them on a bridge for example and if the size of the bridge alters slightly the resistance of the wire alters.