Inductors and chokes are passive electrical components that store energy in a magnetic field when an electric current flows through them. These components play a crucial role in various electronic circuits, serving functions like energy storage, filtering, and impedance matching. Inductors are often used in power supplies, DC-DC converters, and radio frequency (RF) circuits, where they help regulate current flow, smooth out voltage fluctuations, and maintain stable circuit operation. Chokes are a specific type of inductor designed to block or "choke" high-frequency alternating current (AC) while allowing direct current (DC) or lower-frequency signals to pass through. This property makes chokes essential in applications like power supply filtering, where they help reduce electromagnetic interference (EMI) and noise in electrical circuits. In power electronics, inductors and chokes are used to manage current flow, smooth voltage ripples, and provide energy storage in switched-mode power supplies and other applications requiring stable power delivery. Their role in reducing noise and ensuring signal integrity makes them indispensable in modern electronics. These components are crucial in creating reliable, efficient, and noise-free electronic systems, from consumer devices to industrial applications.