Hows does changing the length of wire affect resistance essay sample the objective for my coursework (as already stated above) is to investigate how changing the length of wire can affect the resistance. Free college essay investigating the resistance of wire investigating the resistance of a wire planning for this investigation there are a number of variables that can be chosen. In this investigation i intend to research how the length of a wire affects its resistance when connected to an electric circuit predictions my prediction is that the greater the length of the wire, the greater the resistance.
The wires should be as long as possible to reduce the proportionate errors in easuring lengths, and to reduce the proportion of the resistance that is lost by the contacts contact with the wires -these contacts could also have resistance, and we need to minimise this proportionately. Free essay: the problem with using resistance as a measurement is that it depends not only on the material out of which the wire is made, but also the. Resistance is a concept used for dc (direct currents) whereas impedance is the ac (alternating current) equivalent resistance is due to electrons in a conductor colliding with the ionic lattice of the conductor meaning that electrical energy is converted into heat different materials have. Wire resistance calculator & table highest expected resistance for 4-wire (points combine at a and b): write an essay response to our question for a chance to.
Investigating how the length of wire affects the resistance essay by elisabeth , high school, 12th grade , december 2003 download word file , 2 pages download word file , 2 pages 37 3 votes. Thickness of the wire: the thicker the wire is the more free electrons in the current can spread out moving over a larger area therefore there is a smaller chance of colliding with the positive ions, thus it decreases the resistance. Figure 3 effect of preheat temperature and test temperature on ignition of pvc wire insulation when subjected to 100 vac high resistance creates localized heating.
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Resistance of a wire essaysaim: the resistance of a wire depends on certain factors investigate the effect of two of these factors ¡v some variables that will be relevant to this investigation are: of these the variables will be input and output voltages in experiment one, and length and resis. Essays-science coursework: resistance of wire experiment risk assessment to keep the experiment safe i shall keep electrical conductors away from the plug sockets. Sample essays data analysis: resistance of a wire data analysis: resistance of a wire data analysis the investigation i did was to find the resistance of a piece.