AC Theory Help: Resistor, Capacitor & Inductor in Series

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SUMMARY

The discussion clarifies that in a series circuit containing a resistor, capacitor, and inductor, the current remains constant across all components. Participants confirm that while capacitors do not allow direct current to pass through due to the insulator between their plates, the flow of electrons creates an equivalent effect, maintaining a continuous current in the circuit. This understanding is fundamental to AC theory, particularly in analyzing circuits with reactive components.

PREREQUISITES
  • Basic understanding of AC theory
  • Knowledge of circuit components: resistors, capacitors, and inductors
  • Familiarity with reactance concepts
  • Understanding of series circuit characteristics
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  • Study the behavior of capacitors in AC circuits
  • Learn about impedance in RLC series circuits
  • Explore the concept of phase shift in AC circuits
  • Investigate the application of Kirchhoff's laws in AC analysis
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Students and professionals in electrical engineering, particularly those focusing on AC circuit analysis and design, as well as anyone seeking to deepen their understanding of reactive components in series circuits.

MegaDeth
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Hey, so I've just started learning about AC theory. I understand the reactance part of it, both capacitive and inductive. Although there are a few things I need to clear up. If there's a resistor, capacitor and inductor in series, will the calculated current from each component be the same? I assume it is since it's a series circuit, but just to make sure.
 
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yes, the current in a series circuit is the same in all components. How could it possibly be otherwise?
 
There is no current literally through the capacitor, because there is an insulator between its plates, but whenever electrons flow on to one of its plates, an equal number flow off the other plate, so it's as if there were an unbroken flow of electrons through the capacitor - in one wire and out through the other.
 

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