Current & Voltage: Understanding Resistance Limits

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A resistor limits current, but in a series circuit with a voltage source, the current remains constant throughout due to Ohm's law, which states that current is directly proportional to voltage and inversely proportional to resistance. The discussion highlights a common misunderstanding regarding current flow in series circuits, emphasizing that while resistance can limit current, it does not change the current value at different points in the circuit. The water analogy is used to illustrate that, similar to flow rate in a pipe, the current remains the same despite passing through resistors. The key takeaway is that in a series circuit, the same amount of current flows through all components, regardless of the resistance values. Understanding these principles clarifies the behavior of current in electrical circuits.
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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?
 
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sneha_28 said:
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?

What makes you think that the current doesn't change when the resistance changes? What's your understanding of Ohm's law?
 
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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