Introduction The objective of this series of posts is to list some electronic components and devices useful for makers and hobbyists that can be bought by very low prices at eBay. Many times, we can find those devices at a much lower price than in many specialized stores, making them affordable to more people. In this particular …
Shorting a voltage source conceptual error
This post describes some conceptual errors with voltage sources, that arise from the definition of voltage source and short circuit. Voltage sources and short circuits As explained in this post, a voltage source imposes a voltage difference across two points, as shown in figure 1. This means that, between points A and B, there is …
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