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We get an alternating wave with a dc shift. The dc component is not present in an ac wave. When they are mixed, the dc component gets included along with the sine wave.

No conflict .They live happily together. Easy to separate them if required.

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8y ago
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8y ago

you can connect AC and DC current sources in parallel.

A very common example of this is the POTS (plain old (analog) telephone service signal used for 100 years or so, it carries DC of signalling and power and some AC for the ringer.

Another case of this is POE, power over ethernet.

In instrument systems its quite frequently used to combine power and signals to/from a sensor so only one pair of wires is used: examples 4-20 milliamp loop transmitters and so-called ICP accelerometers.

It's a bit more commplicated than just hooking plus and minus from a battery to the AC mains which would be smoke city as neither are considered current sources, as they are voltage sources. Isolation and separation circuits are required to safely combine and separate the two components safely and efficiently.

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Q: Can you mix AC and DC current?
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