Difference between revisions of "Dynamo"

Latest revision as of 01:21, 5 December 2019

Key Stage 4

Meaning

A dynamo is a device used to generate Direct electrical current.

About Dynamos

A dynamo is just a D.C. Motor working in reverse. By spinning the motor it generates a direct current.

Dynamos use the generator effect to generate and electrical current.

Dynamos are used simple circuits which charge cells and batteries.


This diagram shows a dynamo which has a moving coil of wire rotating through a magnetic field. Due to the split ring commutator the direction of the current remains constant at the output.

References

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+====Edexcel====
+:[https://www.amazon.co.uk/gp/product/1292120223/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1292120223&linkCode=as2&tag=nrjc-21&linkId=068ecf40278c32406a7f1c6e66751417 ''Dynamo, page 175, GCSE Physics, Pearson Edexcel '']
+:[https://www.amazon.co.uk/gp/product/1782945733/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945733&linkCode=as2&tag=nrjc-21&linkId=2a2dbec9db6bf5766c0458d908fa0a52 ''Dynamos, page 90, GCSE Physics; The Revision Guide, CGP, Edexcel '']
+:[https://www.amazon.co.uk/gp/product/1782948163/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782948163&linkCode=as2&tag=nrjc-21&linkId=0fdbfd5dd397d6e24a9dfb250f08587f ''Dynamos, pages 282, 283, GCSE Physics, CGP, Edexcel '']
+====OCR====
+:[https://www.amazon.co.uk/gp/product/1782945687/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945687&linkCode=as2&tag=nrjc-21&linkId=9a598e52189317a20311d7a632747bc9 ''Dynamos, page 56, Gateway GCSE Physics; The Revision Guide, CGP, OCR  '']
+:[https://www.amazon.co.uk/gp/product/0198359837/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0198359837&linkCode=as2&tag=nrjc-21&linkId=3c4229e8b023b2b60768e7ea2307cc6f ''Dynamos, pages 133, Gateway GCSE Physics, Oxford, OCR '']