# Circuit Terminology | Summary and Q&A

71.5K views
June 15, 2016
by
Circuit Terminology

## TL;DR

This video introduces several key terms used to talk about circuits, including components, nodes, branches, meshes, and loops.

## Key Insights

• ❓ Circuit components, such as resistors, capacitors, and inductors, are also referred to as circuit elements.
• ⚡ Nodes in a circuit represent junctions where the voltage is the same everywhere.
• ❓ Branches are elements that connect nodes and can be resistors, capacitors, or other components.
• 🤗 Meshes are loops that fill up the open windows of a circuit, and circuits can have multiple meshes.
• 🔁 Loops can be any closed path in a circuit, and circuits can have multiple loops.
• 🔁 Nodes, branches, meshes, and loops are essential concepts in circuit analysis.
• 🎮 The terminology discussed in the video provides a vocabulary for discussing and analyzing circuits.

## Transcript

• [Voiceover] In this video, we're gonna talk about some terminology that we use to talk about, how circuits are put together. In previous videos, we've talked about the components, or the elements, that are used to make up circuits. So, for an example, resistor, capacitor, and inductor, are circuit components. We also call those elements. In addit... Read More

## Questions & Answers

### Q: What are circuit components and elements?

Circuit components, such as resistors, capacitors, and inductors, are also referred to as circuit elements. They are used to create circuits and can consist of both active and passive components.

### Q: What is a node in a circuit?

A node refers to a junction in a circuit where the voltage is the same everywhere. It is the point where two or more components are connected.

### Q: What is a branch in a circuit?

A branch in a circuit is an element that connects nodes. It can be a resistor, capacitor, inductor, or any other component that forms a path for current flow.

### Q: What is the difference between a mesh and a loop in a circuit?

A mesh is a loop that fills up the open windows of a circuit, while a loop can be any closed path in a circuit. Meshes are typically more organized and straightforward to identify, whereas loops can be more complex and can include multiple components.

## Summary & Key Takeaways

• The video explains that circuit components, such as resistors, capacitors, and inductors, are also called circuit elements.

• A node refers to a junction between components where the voltage is the same everywhere.

• A branch refers to an element connecting nodes in a circuit.

• Meshes are loops that fill the open windows of a circuit, and circuits can have multiple loops.