Resistance of a wire essay

Measuring resistance of a wire

Coursework Aim To find out how the length of a wire can affect resistance. I believe that as the wire gets longer, the resistance will increase at a directly proportional rate. In this experiment we had to use a method of finding resistance. When I was measuring the lengths of the Nichrome wire, my measurements might have been slightly inaccurate as the rulers used might not have been exact, and it was difficult to get an accurate reading of length by eye, as the wire was not completely straight. Theory What is resistance? The circuit should be set up as above. Hire a Writer The resistance of a wire depends Essay Before doing this experiment I did some preliminary work. Resistance is measured in ohms.

However I will plan it out first to show each step of how I started, and then go into detail about the results and what the investigation on a whole has showed me.

We also decided that the current would not be altered by anything but the nichrome wire, so I do not have to worry about that.

nichrome wire resistance experiment

So, resistance is how hard it is to move electrons through a wire. How is it measured?

resistance of a wire experiment conclusion

For this investigation, I believe that altering the length of the wire throughout the experiment will be the best method. I also found that the experiment was quite easy to set up, as it was simple and uncomplicated. I chose this frankly because 0.

Resistance of a wire essay

By this I mean that there will be more resistance in the wire later on.

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Resistance of a Wire