I am having trouble with this homeworkquestion any help with it would be great.

Question

I am having trouble with this homeworkquestion any help with it would be great.

The current in a certain ac circuit is independent of the frequencyat a given voltage. Which combination of elements is mostlikely to comprise the circuit?
A) Resistors only B) Capacitors only C) a combination of resistors and inductors D) a combination of capacitors and inductors I am having trouble with this homeworkquestion any help with it would be great.

The current in a certain ac circuit is independent of the frequencyat a given voltage. Which combination of elements is mostlikely to comprise the circuit?
A) Resistors only B) Capacitors only C) a combination of resistors and inductors D) a combination of capacitors and inductors

Explanation / Answer

       Such circuits are called resonant circuits.These must contain an inductor and a capacitor, Resistance isusually there. When the current becomes independent offrequency    capacitivereactance   =   inductivereactance             =>   1 / *C   =    * L

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