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Current and voltage

  1. Dec 25, 2012 #1
    I have a basic doubt regarding concepts of current. we know that a resistor is a current limiting device. But when it is connected in series with a voltage source,current remains the same.
    Why doesn't the current change even after passing through a series of current limiting resistors? what am i missing out here?
  2. jcsd
  3. Dec 25, 2012 #2


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    Staff: Mentor

    What makes you think that the current doesn't change when the resistance changes? What's your understanding of Ohm's law?
  4. Dec 25, 2012 #3


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    Staff: Mentor

    The way the question was worded implies adding resistance, but I think the question was why isn't the current different in different parts of the circuit.

    Water analogy: why isn't flow rate lower after an obstruction in a pipe?
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