Gcse physics coursework resistance wire evaluation

calculate the resistance of a copper wire

Resistance in a wire Evaluation. Candidate style answers - Biology, Chemistry and Physics Experiment on Electrical Resistance :: Papers it shows one very clear trend and pattern: as the length of the wire increases so does the resistance of it.

There are possible sources of error that might have led to inconsistent results, such as a kink in the wire.

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Connect the crocodile clips to the resistance wire, centimetres Evaluation Physics Coursework Ideas for Students to Help Physics Coursework Ideas for Students to topic for your coursework: How is the resistance of a wire affected by your GCSE physics coursework can be Physics coursework — Resistance?

However, I think that unless I had specialist equipment the results would be distorted because the wire would eventually get very hot.

Yahoo Answers I am currently doing my Physics coursework what really is the difference between the analysis and evaluation Physics Coursework — Resistance of a wire? I will stand up during the investigation to ensure that I do not injure myself if something breaks.

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I think that the range of my results was sufficient enough for me to draw a valid conclusion about how the length of the wire affected the resistance.

Physics gcse coursework resistance of a wire. I will switch off the power pack, move the crocodile clip that was at 5cm up to 10cm, and switch on the power pack.

Effect on resistance length of wire

I will repeat this method every 5cm until I get up to cm, taking three readings from both the voltmeter and ammeter each time to ensure accuracy. Connect the crocodile clips to the resistance wire, centimetres Evaluation Physics Coursework Ideas for Students to Help Physics Coursework Ideas for Students to topic for your coursework: How is the resistance of a wire affected by your GCSE physics coursework can be Physics coursework — Resistance? In addition, I will make sure I turn the power pack off after each reading. Yahoo Answers I am currently doing my Physics coursework what really is the difference between the analysis and evaluation Physics Coursework — Resistance of a wire? I could also consider using different cross-sectional areas of wires or even change the temperature of the wires deliberately and see how manipulating these variables affect the resistance of the wire. There are no anomalous results that I would consider to be far away from the line of best fit. According to ohms law, a higher resistance simply means a larger amount of energy is used to move the electrons through the wire as they collide with the atoms. Most of the data points were on, or very close to, the line of best fit. Resistance of wire ISA. Again, I will record the voltmeter and ammeter readings and turn off the power pack. Also, the apparatus I had use of at school would not be suitable if I were to keep increasing the length of the wire; e. Prediction Hypothesis : I predict that the longer the wire the higher the resistance, and the shorter the wire the lower the resistance.

The variables I will control will be the type of wire resistivity and the cross-sectional area of the wire. About this resource. Gcse physics coursework terminal resistance in a wire by cazzie — Teaching Resources — Tes some useful worksheets for the old resistance in a wire coursework.

Gcse physics coursework resistance wire evaluation

Discussion Overall, my results are very consistent with my predictions. According to ohms law, a higher resistance simply means a larger amount of energy is used to move the electrons through the wire as they collide with the atoms. However, using new pieces of wire each time would have been too impractical and time-consuming in the context of this lesson. This will reduce the chance of false readings and will cancel out any anomalous results. The variables I will control will be the type of wire resistivity and the cross-sectional area of the wire. Results Below is a table of my results Table 3. However, due to my line of enquiry, I will only change the length of the wire. Resistance of a wire. To support my prediction and conclusion, I could do further experiments. Most of the data points were on, or very close to, the line of best fit.

This would have prevented the area of the wire from remaining constant and would have affected my results.

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