WHAT IS MEANT BY SKIN EFFECT?
Skin effect is the tendency of alternating current (AC) to concentrate near a conductor surface rather than flowing…
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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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HOW IS LIFE OF CAPACITOR DETERMINED AND VERIFIED?
Reliability of an equipment or device depends on the construction and components going into it. The components have…
