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Welcome to our Physics lesson on What Are RL Circuits? An Overview, this is the first lesson of our suite of physics lessons covering the topic of RL Circuits, you can find links to the other lessons within this tutorial and access additional physics learning resources below this lesson.
A RL circuit contains at least one resistor and one solenoid along with other useful components. In other words, in RL circuits, at least one resistor and one inductor are connected in the same wire. Look at the figure below.
A solenoid is the most typical example of inductor, as explained in tutorial 16.9. Inductor is one of the major passive components in electronics. The basic passive components in electronics are resistors, capacitors, inductors and transformers. The term 'passive' means that such components do not produce electricity by themselves; they can only receive energy, which they can later dissipate, absorb or store in an electric or a magnetic field.
RL circuits are similar in concept to RC circuits, where a capacitor connected to a circuit is charged through a resistor. Inductors are closely related to capacitors as they both use an electric field to store energy and both are two-terminal passive components. However, capacitors and inductors have different construction properties, limitations and usage.
You have reached the end of Physics lesson 16.12.1 What Are RL Circuits? An Overview. There are 5 lessons in this physics tutorial covering RL Circuits, you can access all the lessons from this tutorial below.
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