Diagram 1 illustrates that there was less air resistance because the surface area of the parachute is smaller than that the parachute in diagram 2 i. However, using new pieces of wire each time would have been too impractical and time-consuming in the context of this lesson. Overall, I think my method was sufficient to obtain reliable results.
This is because the free electrons in the wire bump into more atoms, thereby making it harder for electricity to flow.
The timing was too difficult to make as accurate as possible as this would have cost money. I had to rely on my reactions as to when the parachute was dropped and when it landed. 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.
Below is a sample graph graph 1 to show the kind of results I expect to obtain. Similarly, the smaller the surface area of the parachute the less air resistance there was.
I will keep the air vents and windows closed as this will affect the rate at which the parachute falls. I could have got a friend to time but the results would have turned out relatively similar. The resistance of a length of wire is calculated by measuring the current present in the circuit in series and the voltage across the wire in parallel.
I am going to measure the resistance in ohms of different points along This conclusion supports my prediction because as I predicted, the higher the that the Nichrome wire stayed the same temperature throughout the nbsp; Resistance of wire coursework method — NOE interactive.
The timing was too difficult to make as accurate as possible as this would have cost money. Overall, I think my method was sufficient to obtain reliable results. Physics — resistance in wires.
I overcame this by timing the fall of the parachute again.
The Resistance R is the resistance wire constantan nichrorome that you will be trying to calculate. Another way I could have timed would be if I used some sort of machine that could have timed the fall of the parachute, but as afore mentioned it would have cost money and would not be readily available.
For example, I could use different types of wire instead of using only nichrome.
I could also change the material and see if I get a similar pattern of results. To support my prediction and conclusion, I could do further experiments.
Another way I could have timed would be if I used some sort of machine that could have timed the fall of the parachute, but as afore mentioned it would have cost money and would not be readily available. There are no anomalous results that I would consider to be far away from the line of best fit.
Next, I will set the power pack on the lowest voltage possible to ensure that the current passing through the circuit isn't too high which could potentially affect the results because the wire would get too hot.
Physics for you, Keith Johnson, and Physics revision guide by Richard.
It proved that changing the length of a wire does indeed affect the resistance flowing through it in a positive proportional way and although there is room for further investigation into some areas nbsp; Resistance of a Wire Investigation — GCSE Science — Marked by I have decided to choose a factor that will affect the resistance of a wire.
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 coursework conclusion photo 3. I predict that the longer the piece of wire, the greater the resistance will be.
Length of wire cm Test no.Physics GCSE coursework: Resistance of wire Aim: To investigate if the length of wire affects its resistance. 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 decrease the resistance.
Physics Coursework Objective: My objective in this experiment is to investigate one of the factors that affect the resistance of a piece of wire; the one I am investing is the length at constant temperature.
Apr 19, · An investigation into the resistance of a wire - A GRADE GCSE Physics Coursework. In this investigation I am going to investigate what affect the resistance of a wire.
Conductors have resistance, but some are worse than others. The free electrons kee; agronumericus.coms: Apr 19, · An investigation into the resistance of a wire.
Free GCSE physics coursework essay. Thanks, this helped me with my investigation in Physics, I was really confused about it.
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