## Iron Core Inductor

Iron Core Inductor

The iron core has very special magnetic characteristics. What they do is to reinforce the magnetic field. The magnetism of the core material depends on the bias of  “the molecular magnetic domains”

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## Resonance in an RLC Circuit (electrical resonance)

What is Resonance in RLC Circuits?

Resonance in RLC Circuits is a special condition for parallel and series RLC circuits, when capacitive reactance and inductive reactance have the same magnitude and cancel each other. This only happens at frequency fo.

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## Impedance of Inductor

What is the Impedance of an Inductor?

The impedance of an inductor (also called inductance) is the measure of the opposition to a change of electrical current in this component.

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## Autotransformer

What is an Autotransformer?

An autotransformer is a transformer where a part of the winding belongs to both the primary and secondary windings of the transformer. The operating principle is the same as the conventional transformer.

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## Transformer Turn Ratio (TTR)

Transformer Turn Ratio – Transformer Transformation Ratio (TTR)

The transformer transformation ratio or transformer turns ratio (K) is the quotient value obtained by dividing the number of turns of the primary winding (N1) and the number of turns of the secondary winding (N2). Then K = N1/N2.

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## RC Low Pass Filter (passive Low Pass filter)

RC Low Pass Filter An RC low pass filter is a circuit made by a resistor and a capacitor connected in series, as shown in the image below. The RC low pass filter allows only the passage of frequencies below a particular frequency called cut-off frequency (Fc) and eliminates frequencies above this frequency. These RC […]

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