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Mechanics Experiments
https://padlet.com/rdownes/pm1
https://padlet.com/rdownes/pm2
https://padlet.com/rdownes/pm3
https://padlet.com/rdownes/pm4
https://padlet.com/rdownes/pm5
https://padlet.com/rdownes/pm6
https://padlet.com/rdownes/pm7
https://padlet.com/rdownes/pm8
Sound Experiments
https://padlet.com/rdownes/ps1
https://padlet.com/rdownes/ps2
https://padlet.com/rdownes/ps3
Heat Experiments
https://padlet.com/rdownes/ph1
https://padlet.com/rdownes/ph2
https://padlet.com/rdownes/ph3
https://padlet.com/rdownes/ph4
Light Experiments
https://padlet.com/rdownes/pl1
https://padlet.com/rdownes/pl2
https://padlet.com/rdownes/pl3
https://padlet.com/rdownes/pl4
https://padlet.com/rdownes/pl5
https://padlet.com/rdownes/pl6
Electricity Experiments
https://padlet.com/rdownes/pe1
https://padlet.com/rdownes/pe2
https://padlet.com/rdownes/pe3
https://padlet.com/rdownes/pe4
https://padlet.com/rdownes/pe5

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pe2 Measurement of the resistivity of the material of a wire

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To satisfy the Department of Education requirements a formal write-up should be entered into a hardback science copy. This write-up should include the following elements:

1. TITLE: Experiment title and date.

2. APPARATUS: List of equipment used.

3. DIAGRAM: A fully labelled diagram of the experimental set-up.

4. PROCEDURE: A brief description of what quantities were recorded and how they were measured.

5. RESULTs: A table of the recorded data and a calculation using a formula.

6. GRAPH: Drawn on graph paper if required.

7. CONCLUSION: What the experiment achieved (if appropriate).

8. ERRORs/PRECAUTIONS: Sources of error and ways in which the accuracy can be improved.

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Randomness in  LC physics Experiments and how we minimise its contamination effect.

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Randomness in  LC physics Experiments and how we minimise its contamination effect.

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If we measure the current in a thin copper wire, we are conducting an experiment. However, day-to-day repetitions of the measurement can differ slightly because of small variations in variables that are not controlled in our experiment, including changes in ambient temperatures, slight variations in the gauge and small impurities in the chemical composition of the wire (if different locations are selected), and current source drifts. Consequently, this experiment (as well as many we conduct) is said to have a random component. In some cases, the random variations are small enough, relative to our experimental goals, that they can be ignored. However, no matter how carefully our experiment is designed and conducted, the variation is almost always present, and its magnitude can be large enough that the important conclusions from our experiment are not obvious. In this case the thickness of the wire may vary significantly and so taking an average is an important part of the experiment.

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Resistance & Resistivity of a Wire - Physics A-level Required Practical

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Screw Gauge Experiment Introduction Edunovus Online Smart Practicals