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this post was submitted on 08 Aug 2026
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askchapo
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I'm not like an expert, but capacitors and coils (like in a transformer) have a sort of inertia. You can look at voltage and current response curves of these components. Figure 3 and 7 in this teaching material I found on Google shows such graphs.
I've seen little LED power indicators on stuff take a second to go out when you unplug the power supply from the wall. Haven't seen it with a light, but modern LED lights do have power supplies so it's not impossible.