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Factors Affecting Wire

What factors affect the resistance of a piece of wire?

What I am going to investigate is, what factors affect the resistance of a piece of wire.

To start this experiment I will need the following equipments:
• Power pack
• Ammeter
• Voltmeter
• 1 meter ruler (100cm)
• 110cm of wire
• Crocodile clips
This shows how the equipment will be set up.

A

V

I will measure the Voltage and also Current of the wire. Once I have recorded the results I will repeat recording the results 2 more times at 2 more different voltages to make the experiment fair then I will find the average. I will record the Voltage and the Current of the wire in every 10 meters.

I will record my results in a format of a table like this.

Length (cm) Current (I)(amperes) Voltage (V) (volts) Resistance ® (Ohms)
10m
20m
30m
40m
50m
60m
70m
80m
90m
100m

For the Current and the Voltage there will be 3......


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Approximate Word Count: 543
Approximate Pages: 3 (250 words per double-spaced page)

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