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Simple Definitions

The most important electronics terms, demystified in one place.


Our Take

An inductor is a device created specifically for its inductive properties. Their capacity is measured in henries, which is when a change of one amp per second yields a voltage differential of one volt across the device. Real, or non-ideal, inductors have a small amount of capacitance and resistance as well but those properties can arguably be ignored most of the time. However, if your circuit isn’t responding the way you anticipated, those may not be so negligible. Inductors are typically used to absorb high frequency signals or adjust the resonant frequency of a circuit.

Book Definition

It consists of a coil of conducting wire.

Fundamentals of Electric Circuits, 5th Edition by Charles K. Alexander and Matthew N. O. Sadiku

Coil of wire with inductance.

Grob’s Basic Electronics, 11th Edition by Mitchel E. Schultz

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