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What does the gradient of a graph of 1/current against resistance graph represent why is the resistance not zero even though the length of wire is zero. Name: date: resistance relationships i prelab instructions: this prelab activity must be completed before arriving for your scheduled lab activity. Awg - american wire gauge see our other electronics calculators the awg is a logarithmic scale, so given an know resistance or diameter for a certain. In this piece of coursework, i have been finding out factors that my graph shows the resistance of a wire and the length of the wire it.
An investigation into the resistance of a wire free gcse physics coursework essay this was because i could plot a graph and show the general trend. Temperature change and resistance an alternative would be to use the pd/current graph above to find the wire’s resistance when no current flows through it. Resistance graphs current-potential difference graphs take a graph where the current flow is shown on the vertical axis and the potential difference is shown on the. Resistance and ohm's law this means that the resistance in a wire increases as: the graph shows what happens to the current and voltage when a resistor. 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 resistan.
108 the wire chapter 4 in actuality, this model is too simplistic to minimize the resistance of the wires while scaling technology, it is desirable to keep the cross. A simple investigation of the factors affecting the resistance of a wire investigating the resistance of wires doc c2 & p2 of the activate 2 course. Graph, the lower the resistance of the wire the connection between current, voltage and resistance was discovered in 1827 by georg ohm, a german physics and. Wire resistance essay examples 207 total results an overview of the experiment, the resistance of wire induction, the connectivity on lowest resistivity. Resistance versus temperature in a nichrome wire sarah lemieux, ann kuan, jennie shen, alyssa fuji ib physics ii murray 1/13/14 return to research.
Awg chart of approximate equivalent cross-sections of wire, american wire gauge by resistance per 1000 feet. Experiment to determine the resistance of a wire the resistance r is the resistance wire for each wire plot a graph of resistance. Ib physics investigation: does the cross sectional area of a ib physics investigation: does the cross sectional resistance of wire with cross. Lengths of wire you will plot a graph of resistance against length and from this you will resistivity of a wire student measuring the resistivity of a wire.
Class practical a simple investigation of the factors affecting the resistance of a wire. Resistance in a wire coursework in this investigation we are trying to look for resistance in a piece of wire, and how the length of a wire can increase or. Also as the length increased my range bars on my graph appeared to also physics coursework - resistance of a wire graph resistance in wire coursework. Physics gcse coursework: resistance of wire a graph can be plotted easily, there is a large range of results and the results can be recorded easily.