Physics coursework resistance in a wire

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Hows does changing the length of wire affect resistance?

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This discussion is closed. Neo1 Badges: 2. Report Thread starter 14 years ago 1. Hello i recently posted a topic on this but i havent finished asking some more questions if you may please reply! And finally my last question is that my hypothesis is the same as my conclusion basically so shall i just basically copy paste it or what?

Thanks a lot From John Wood. Not what you're looking for? Report 14 years ago 2. Ol Badges: 1. Report 14 years ago 3.

Essay on Resistance of a Wire

I seem to remember I used Nichrome wire in mine, measuring from crocodile clip to crocodile clip. Both should include reasoned arguments for what you think will happen, then what did happen. Use numbers and equations where applicable. R Badges: 2.

Report 14 years ago 4. Report Thread starter 14 years ago 5. I heard someone say that to use Constantan since the results are more defined?

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  • Please Thanks for your time From John Wood. Report 14 years ago 6. Original post by Neo1 I heard someone say that to use Constantan since the results are more defined? Jonatan Badges: Report 14 years ago 7. This is a good thing as the results will be less susceptible to error - small changes in conditions in the lab like the wire heating up over time will make a difference to small values.

    I think the best approach is to get samples of the three wires, and just have a play to see what sample data you can collect for each. Then you'll be able to see which one works best for you. Report 14 years ago 8. It is perfectly acceptable, and infact even encouraged, to do preliminary tests to see which wire will give you good results, and the range of lengths to use for your actual experiment. The preliminary results can then be used in the method to explain why you're going to use the wire and why you've chosen the range of wire length.

    Report Thread starter 14 years ago 9. Oh i see lucent!

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    Gcse Physics Coursework Resistance Wire Conclusion

    Copper wouldnt be a good material since any factor like temp change could easily favour the current and so current goes faster right? Report Thread starter 14 years ago Can anyone show me a diagram of where the wire will go connected to? Please help!!! Thanks for your time From John Wood. Report 14 years ago Back to top. Related discussions. My Feed. Oops, nobody has posted in the last few hours. Why not re-start the conversation? Oops, nobody is replying to posts.

    Why not reply to an un-answered thread? Today on TSR. Thinking of dropping out? What to do if you're not sure uni is right for you. University open days. University of Bristol. Undergraduate Open Afternoon Undergraduate. Wed, 23 Oct ' University of Exeter. I know you stated it was Nichrome, and cm long, but the SWG is not stated - Am using your data as secondary data and need to compare my investigation and yours.

    This is by far the beast source of information I could find for my coursework, you are awesome:. Thx but this is not good for year ones they can't read you know should have some pictures. This had really helped me with my Year 9 work. I really appreciate the info you have logged into this. Once again, thank you! Other product and company names shown may be trademarks of their respective owners. HubPages and Hubbers authors may earn revenue on this page based on affiliate relationships and advertisements with partners including Amazon, Google, and others.

    HubPages Inc, a part of Maven Inc. As a user in the EEA, your approval is needed on a few things. To provide a better website experience, owlcation. Please choose which areas of our service you consent to our doing so. Luno more. Introduction In this article I will investigate what affects the resistance of a wire. A wire's resistance depends on four main factors: Resistivity Length of the wire Cross-sectional area Temperature of the wire I will investigate how the length of the wire affects the resistance.

    Preliminary Investigation Below are my results from the preliminary experiment see Table 1. Table 1: Preliminary Results. Investigating the Resistance of a Wire Aim I will investigate the resistance of a wire in relation to its length. Prediction I predict that the longer the wire, the larger the resistance. Apparatus The apparatus I will use in this experiment is as follows: 1 ammeter to measure current 1 voltmeter to measure voltage 5 x wires 2 crocodile clips Power pack cm nichrome wire Method First, I will collect the apparatus I need and set it up as shown in Diagram 1, below.

    Diagram 1: Apparatus. Ensuring Accuracy To ensure accuracy I will record the voltage and the current three times every 5cm and take the average reading. Variables There are different variables that can be changed in this experiment; these are the independent variable. Table 2: Variables.

    Safety I will ensure experimental safety by confirming that all the wires are connected properly and that none of the insulation on the wires is worn. Results Below is a table of my results Table 3. Table 3: Results. Graph Graphing these results shows a nearly straight line, illustrating a strong positive correlation between length and resistance, which is consistent with my prediction.

    Discussion Overall, my results are very consistent with my predictions.

    Wire Resistance Calculation - Electricity - Physics GCSE

    Questions must be on-topic, written with proper grammar usage, and understandable to a wide audience. This stuff has greatly helped me to finish my physics assignment. Thanks a lot this has been a great help for me and my fellow classmates. I used some of the data for my physics homework so thanks for that.

    Just remember to keep on munching chicken like me. Thank you so much for this as it helped a lot in my physics class. This was really helpful for my controlled assessment.