Homonym: 9V (Voltage)
The term "9V" typically refers to a type of battery that provides a voltage of 9 volts. These batteries are commonly used in various electronic devices, such as smoke detectors, remote controls, and toys. They come in different sizes and chemistries, including alkaline and lithium, which can affect their performance and lifespan.
In addition to batteries, "9V" can also refer to a specific electrical standard used in circuits. This voltage level is often utilized in low-power applications, making it suitable for powering small gadgets and sensors. Understanding the characteristics of 9V systems is essential for electronics enthusiasts and professionals alike.