WHAT IS DISPLACEMENT CURRENT?
Normally a current through a capacitor is explained in terms of dipole movement in dielectric. However, when dealing…
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WHAT IS DYNAMIC RESISTANCE?
Some components do not have strictly proportional relationship between current and voltage, and they do not follow the…
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HYSTERSIS LOOP AND ITS SIGNIFICANCE
The word ‘Hysteresis’ comes from original Greek word ‘hustérēsis’ meaning shortcoming or deficiency. It was coined in 1881…
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DIFFERENCE BETWEEN AC AND DC RESISTANCE
A resistance measured with steady state DC current passing between two points on an object, conductor or any…
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HOW DOES A CONSTANT VOLTAGE TRANSFORMER WORK?
Constant voltage transformers (CVTs), also known as ferroresonant transformers, is a type of transformer that provides a stable…
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WHAT IS A VARIABLE AUTOTRANSFORMER?
A variable autotransformer is a type of autotransformer that allows continuous adjustment of output voltage via a sliding…
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WHAT ARE AUTOTRANSFORMERS AND THEIR APPLICATIONS?
Autotransformer is a transformer with a single continuous winding serving both primary and secondary functions, tapped at specific…
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WHAT ARE TRIMMER COMPONENTS IN ELECTRICAL CIRCUITS?
A trimmer is a miniature adjustable electrical component. It is meant to be set correctly when installed in…
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WHAT ARE MICA CAPACITORS AND THEIR USES?
Mica capacitors were the first type of capacitors developed to replace the bulky Leyden jars in radio and…
