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RE: "How electricity flows in an AC circuit"

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In Reply to: RE: "How electricity flows in an AC circuit" posted by Ugly on August 01, 2022 at 20:15:00

The electrical *power* is contained in the electric and magnetic fields that extend outside of the conductor. But is the *power* the same thing as the *signal*? For audio the answer is almost certainly no. We know what produces the power, it's the current. Power is a calculated quantity, and so is current. Current is calculated from the moving charges, I.e., the free electrons. So, what's the signal?

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