Investigating The Resistance Of Wire
Investigating the resistance of a wire.
Planning
For this investigation there are a number of variables that can be chosen to change or keep the same, these are:
· Length of the wire.
· Diameter of the wire.
· Type of the wire.
· Temperature of the wire.
Scientific explanation.
All electrical conductors resist current through them to some extent. This is resistance and this affects the size of the current flow. The main dependence of resistance are:
§ It's Length.
§ It's Thickness.
§ It's Material.
My Investigation.
The variable I have chosen to change is the length of the wire; I'm going to keep the material the same as this will keep the investigation fair. I am going to increase the voltage by 1 every time I finish one full length of the wire, which is 6 readings. The diameter of the wire is also going to stay the same to ensure a fair investigation.
For our investigation we're investigating the resistance of a wire with a surge of......
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