THERMISTORS – GREAT TINY SENSORS FOR TEMPERATURE CONTROL
The term ‘thermistor’ is a short form of ‘Thermally sensitive Resistor’. It is a highly sensitive, temperature-dependent semiconductor…
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MAGNETIC CORES -MATERIALS AND TYPES
Core is the medium for magnetic flux in inductor, transformer or coil. It decides the inductive behaviour along…
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CHARACTERISTICS AND APPLICATIONS OF RADIO FREQUENCY INDUCTORS
An inductor has to be specially designed to provide inductive impedance at frequencies from few MHz to several…
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MEMRISTORS- THE FOURTH PASSIVE ELEMENT
Resistors, inductors and capacitors are known as the three basic passive elements in electrical and electronic engineering all…
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WHAT ARE NONLINEAR RESISTORS?
A linear resistor has a constant ratio of voltage to current (Ohm’s Law), so doubling the voltage ideally…
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WHAT ARE THE DIFFERENCES AND SIMILARITIES IN MAGNETIC AND ELECTRIC CIRCUITS?
Electrical and magnetic circuits behave in similar manner in several aspects. They share similar principles, laws and energy…
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MAGNETIC RELUCTANCE- WHAT IS IT?
Magnetic reluctance is measure of opposition a material or magnetic circuit offers to the flow of magnetic flux….
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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…
