What symbol is used to represent a capacitor in electrical diagrams?

The symbol used to represent a capacitor in electrical diagrams is indeed the letter 'C'. This notation is standardized in electronic schematics, where each component has a specific letter that indicates its function. A capacitor is an essential component in electrical circuits, used for storing and releasing electrical energy.

The reason 'C' is the symbol for capacitors is rooted in clear communication and the need for universally recognized symbols in electrical engineering. The use of 'C' stands for "capacitor," aligning with the naming convention for various components.

Other symbols in electrical diagrams serve specific components as well. For example, 'R' typically denotes resistors, 'L' indicates inductors, and 'D' is used for diodes. Each of these symbols serves to maintain clarity across diagrams, allowing engineers and technicians to quickly understand the function of each component without confusion. Understanding these symbols is crucial for reading and interpreting electrical schematics efficiently.