Controlled Assessment - Physics - ISA PU2.3.2 Electrical Circuits
Physics ISA -
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Keywords Glossary | |
File Size: | 27 kb |
File Type: | doc |
You should investigate a factor that affects the resistance of an LDR
You will need to produce your own hypothesis and research a plan.
You will need to produce your own hypothesis and research a plan.
Context - Lighting switch
The most obvious application for an LDR is to automatically turn on a light at certain light level. An example of this could be a street light or a garden light.
The most obvious application for an LDR is to automatically turn on a light at certain light level. An example of this could be a street light or a garden light.
Suggested Research
Textbooks + Weblinks
AQA GCSE Physics, CGP ISBN 978 1 84762 222 8 Pg 183
website source:
http://scienceteacher.org.uk/?page_id=335
https://www.youtube.com/watch?v=1JS6_tR7U54
http://www.bbc.co.uk/schools/gcsebitesize/science/add_ocr_21c/electric_circuits/currentsizerev4.shtml
Check out the following links (two short video lessons) to get some background information for your ISA.
How LDRs (light Dependent Resistor) work.
How LDRs (light Dependent Resistor) work.