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Help finding the missing resistor?

Discussion in 'General Electronics Discussion' started by batman45, Mar 18, 2015.

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  1. batman45

    batman45

    5
    0
    Mar 18, 2015
    Someone please help me find the missing resistor value. I don't understand what to do.
     

    Attached Files:

  2. Harald Kapp

    Harald Kapp Moderator Moderator

    11,660
    2,696
    Nov 17, 2011
    Welcome to electronicspoint.

    This circuit makes no sense. A resistor is used to limit the current throgh the LED and has to be placed in series, not in parallel. Read our ressource.
     
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