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What is the purpose of an air gap in inductor cores?
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What does an inductor do in DC?
Answer : In a DC (Direct Current) circuit, an **inductor** behaves like a **short circuit** after a brief period of time. Here's why: - When you first apply DC voltage to an inductor, ... Current) circuit, where it constantly resists changes in current due to the changing frequency of the AC signal....

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What is the time constant of an inductor?
Answer : The time constant of an inductor is a measure of how quickly the current through the inductor changes when a voltage is applied. It is a characteristic time it takes for the current to reach about 63.2% ... the smaller the resistance (\( R \)), the slower the current change (larger time constant)....

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