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AC Circuit: Evaluating Current and Voltage

Hi. Can I get some help with understanding this conceptual question?

Question: Why is the current in an ac circuit not always in phase with its voltage?

Thank you.

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The current will be in phase with the voltage only if the impedance is pure ...

Solution Summary

This solution consists of the information required in order to gain an understanding for the concept being described in the following physics question. This is done in about 50 words.