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Saturday, June 26, 2021

What is the difference between the earth in electrical technology and the earth in electronic technology

 What is the difference between the earth in electrical technology and the earth in electronic technology


Is the earth in electricity the real earth? Should the ground in electronic technology be the negative pole of battery? What you said seems to be wrong. The negative electrode of the battery is 0 potential!!! Mileyboy: without looking at the circuit analysis, the negative electrode of the battery is not necessarily zero potential, it can be zero potential


The first floor is right


In electronic technology, ground is just a reference potential point. For example, the potential of a battery is 5V. If you ground the negative electrode, the potential of the positive electrode is + 5V; If you ground the positive electrode, the potential of the negative electrode is - 5V. No matter whether you ground the positive or negative electrode, the level of grounding is 0 potential (relative to the reference point potential)

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