Preliminary Investigation:

Aim: To investigate the main problems with my main experiment and to see how to resolve these.

Preliminary Method:
1. Setup Equipment
2. Make Circuit with the set length of wire
3. Draw Results table
4. Record Results
5. Change the lengths of wire and do same steps 2 more times.

Preliminary Equipment:

• Metre Ruler
• Metre length Of wire
• Voltmeter
• Ammeter
• Power Unit
• Sellotape
• Paper, Pencil

Preliminary Diagram:
Preliminary Investigation:
I have decided to do a preliminary investigation. This preliminary will help plan my main experiment. I will choose 3 lengths, 10cm, 50cm and 100cm. These lengths are reliable as they don't jump lengths too much. One small, medium and large length. Here I will use a simple circuit and study the results, to see they are reliable. This investigation will mainly show the accuracy and how reliable my main investigation is, changing anything that is unreliable and needs corrected.......

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Title: Resistance Of A Wire Investigation
Approximate Word Count: 311
Approximate Pages: 2 (250 words per double-spaced page)

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