Inductors

Inductors are passive components that store energy in a magnetic field when electrical current flows through them. The main types of inductors include:


1. Air-Core Inductor

Uses air as the core material, providing low inductance. It's suitable for high-frequency applications, such as in radio circuits.


2. Iron-Core Inductor

Uses an iron core to increase inductance and store more energy. These are commonly used in low-frequency applications like power supplies and transformers.


3. Ferrite-Core Inductor

Made of ferrite material, offering high inductance with low losses at high frequencies. It's used in RF circuits, power electronics, and signal filtering.


4. Toroidal Inductor

Wound on a doughnut-shaped core (toroid), reducing electromagnetic interference. These inductors are efficient in power supplies and transformers.


5. Variable Inductor

Allows inductance to be adjusted, used in tuning circuits, such as radio receivers.


Inductors are commonly used in filters, transformers, energy storage, and electromagnetic interference (EMI) suppression, playing a key role in managing current flow in AC circuits.

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