One of the most important aspects of electrical engineering is electrical circuit theory. Understanding how individual and collective components interact is the foundation for designing, manufacturing, and troubleshooting all types of electronic devices and systems. An electrical circuit, in its most basic form, is a path for an electric current to flow from one point to another. Any circuit is constructed with two types of components. These are known as the "active" components, which provide energy, and the "passive" components, which consume energy. In electrical circuit theory, active components are typically batteries or generators. Every circuit has following three basic components on a high level: Voltage Source Electrical Path Load Voltage Source The potential difference between the positive (+) and negative (-) terminals of a voltage source introduces energy into a circuit. The main difference between AC and DC voltage sources is how the current flows. AC so
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