Understanding Basic Applications of RL Circuits

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Discussion Overview

The discussion centers around the basic applications of RL circuits, specifically focusing on their uses and examples. Participants express confusion about the topic and seek clarification on the principles and applications of RL circuits, which consist of resistors and inductors.

Discussion Character

  • Homework-related
  • Exploratory

Main Points Raised

  • One participant asks for two basic applications of RL circuits and expresses confusion about their uses.
  • Another participant suggests discussing the properties of inductors, including how they store energy and their role in circuits.
  • A third participant mentions that inductors store energy in the form of a magnetic field and describes the generation of magnetic flux when current flows through a coil.
  • One participant shares limited knowledge about RL circuits, noting they consist of a resistor and inductor connected to a voltage source, and seeks examples of applications beyond spark plugs.
  • A later reply directs participants to a resource on electronic filters, suggesting it may provide helpful information.

Areas of Agreement / Disagreement

Participants generally express confusion and seek clarification, indicating a lack of consensus on the applications of RL circuits. Multiple viewpoints and levels of understanding are present, with no definitive answers provided.

Contextual Notes

Participants have varying levels of knowledge about RL circuits, and some foundational concepts, such as the relationship between voltage and current in resistors and inductors, remain unresolved.

maddyfan811
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Can someone explain to me 2 basic applications of RL circuits? What are they used for and some examples, please. I'm quite confused. It doesn't take much.:blushing:
 
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Thread moved to Homework Help.

Welcome to the PF, maddyfan811. We are happy to provide tutorial help, as long as you tell us what you know so far, and what your thoughts are. So, what is special about inductors? What are they used for? How do they store energy? Do you know the differential equation for inductors that relates the V(t) across them to the I(t) through them?

If you can provide us with what you know so far about inductors, we can talk a little about why you would combine inductors and resistors in circuits...
 
hai
i too need the answer for the application of rl ckts.
they store energy in the form of magnetic field.
whenever current flows through the coil,lines of magnetic flux are generatedaround it .
this magnetic flux opposes changes in the current due to induced emf.that component is inductors
 
grafica said:
hai
i too need the answer for the application of rl ckts.
they store energy in the form of magnetic field.
whenever current flows through the coil,lines of magnetic flux are generatedaround it .
this magnetic flux opposes changes in the current due to induced emf.that component is inductors

Good start. Wonder if you two are in the same class? Anyway, the best next thing to discuss is the relationship between V(t) across the elements, and the resulting I(t) that flows through each. What is the relationship for V(t) versus I(t) for a resistor? What about for an inductor?
 
well what i know about rl circuits is very little which is why I'm here. i barely know anything about circuits in general and was hoping for some help. here's what i know about rl circuits. RL circuit consists of a resistor and inductor, connected either in series or parallel, driven by a voltage source. but i can seem to find examples of applications or what they are used for besides spark plugs. any help would be greatly appreciated or a nudge in the right direction.
 

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