السؤال 214

How does an inductor react to AC?

As the frequency of the applied AC increases, the reactance decreases
As the amplitude of the applied AC increases, the reactance increases
As the amplitude of the applied AC increases, the reactance decreases
As the frequency of the applied AC increases, the reactance increasesالإجابة الصحيحة

الشرح

Inductive reactance is directly proportional to frequency, so raising the frequency raises the reactance. Signal amplitude does not appear in the formula at all, so the amplitude choices are wrong.

الشرح

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