pptx, 1.37 MB
pptx, 1.37 MB
A practical I do with my year 9 group (but could be adapted for GCSE). We make a basic variable resistor by shading in an area on grid paper using graphite pencils. Then see how resistance is affected with length. I originally got the idea from a video clip I saw on YouTube, the link is attached here. You will need to have digital multimeters to do this, that have a setting to measure resistance. NB: I'm a recently qualified teacher, so constructive comments on my resources and how they can be improved are really welcome! So please leave a comment if you used them! Thanks!
Creative Commons "Attribution"

Reviews

5

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funemnx

4 years ago
5

simple but effective

ailishm

5 years ago
5

Many thanks, PowerPoint really clear for students to follow. Excellent resource for all but especially my low ability year 10s.

maj30

8 years ago
5

I love this- my group will love this activity

tinkerbellhodder

10 years ago
5

Ashaz

10 years ago
5

Great idea

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