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GCSE PHYSICS help!!!, Generators and Dynamos watch

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    I am revising the EM induction topic i am really confused about why Generators and Dynamos don't need split ring commutators, i understand why they are used in moters, so why not in Generators and Dynamos???

    any help would be nice...
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    anyone...
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    (Original post by icy_shadow2006)
    I am revising the EM induction topic i am really confused about why Generators and Dynamos don't need split ring commutators, i understand why they are used in moters, so why not in Generators and Dynamos???

    any help would be nice...
    The motor you are talking about needs AC to work. You are suppling it with DC voltage. The slip rings provide a way of mechanically alternating this voltage (making it into a kind of crude AC)

    Generators and dynamos are AC devices, and produce a sinusoidal (AC) output.
    If you then need DC output from them, you can rectify the AC output and make them do all sorts of magical things.

    Hope this helps.
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    I still don't understand???
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    (Original post by icy_shadow2006)
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    be more specific - what dont you get? Apart from repeating what the other guy said I cant really say any more unless you say what it si you dont get of what he said
 
 
 

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