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current common in series

Discussion in 'Electronic Basics' started by conrad, May 3, 2007.

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  1. conrad

    conrad Guest

    What is the subtle distinction between stating
    current is /constant/ in series and current
    is /common/ in series?
  2. Phil Allison

    Phil Allison Guest

    ** Try

    - pal.

    ....... Phil
  3. ehsjr

    ehsjr Guest

    Throw "constant" out. The word "constant" is time related.
    It does not apply to the "rule" you have in mind. If you
    change the voltage or the resistance the current will also
    change. Do NOT state "current is constant in series".

    Current in a series circuit is _the same_ everywhere in the
    circuit. That is location related, not time related. Current
    will be the same at every point in the circuit at any given
    instant of time, whether the voltage or resistance varies over
    time or not. It is *far* better to say "current is _the same_
    everywhere in a series circuit" than "current is _common_ in
    a series circuit".

  4. Charles

    Charles Guest

    Just say the current is the same at any given time in all parts of a series

    Constant current implies a current source where the current is a constant
    when operating within the compliance range.
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