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Define inductance.

1 Answer

Inductance is a fundamental property of an electrical circuit that describes the ability of a component, typically an inductor, to store energy in the form of a magnetic field when an electric current flows through it. It is measured in henrys (H) and is denoted by the symbol "L."

When an electric current flows through an inductor, it generates a magnetic field around it. The magnetic field stores energy, and when the current changes or stops flowing, the magnetic field collapses, releasing the stored energy back into the circuit. This property causes the inductor to resist changes in current, similar to how inertia resists changes in motion.

The inductance of a particular inductor depends on its physical characteristics, such as the number of turns in the coil, the shape of the coil, the material used, and the presence of a core (e.g., ferromagnetic material) inside the coil. Inductors are commonly used in electronic circuits for various purposes, such as filtering, energy storage, and impedance matching. They are an essential component in many electronic devices and play a crucial role in the functioning of transformers, motors, generators, and other electrical equipment.
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