Battery current direction by DeafeningSilence

Discussion in 'General Electronics Chat' started by bertus, Aug 26, 2010.

  1. bertus

    Thread Starter Administrator

    Apr 5, 2008
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    Hello,

    I found this in my E-mails:

    As I do not answer E-mails and PM's I posted it over here.
    That way others can respond also at it.

    Bertus
     
  2. bertus

    Thread Starter Administrator

    Apr 5, 2008
    15,648
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  3. beenthere

    Retired Moderator

    Apr 20, 2004
    15,815
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    Actually, you can start from E = IR, which defines voltage (E) as the product of current (I) and resistance (R). If you accept that, then finding any one of the quantities as defined by the other two is simple algebra. So, if E = IR, then I = E/R, and R = E/I.
     
  4. Audioguru

    New Member

    Dec 20, 2007
    9,411
    896
    The lamp is not the output.
    The two resistors and the lamp are in series so they are all the output and all pass exactly the same current.
     
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