What does the synonymous end mean on the Internet?

This article mainly introduces what the synonymous end refers to in the Internet. It is very detailed and has a certain reference value. Interested friends must finish reading it!

Define

For two coils with magnetic coupling, when the current flows from one of the terminals of the two coils respectively, if the two coils produce magnetic flux, the two ends are called the synonymous ends of the mutual inductance coil.

Give examples to illustrate

In the following illustration, the left coil 1 and the right coil 2 produce a red flux if the current of coil 1 flows from terminal 1.

The coil 2 wants to produce a flux that does not conflict with coil 1, blue

Then the current needs to flow from terminal 2, so the 1 terminal of coil 1 and the 2 terminal of coil 2 are synonymous with each other, and the 1 terminal of coil 1 and the 2 'terminal of coil 2 are synonymous with each other.

The terminal with the same name is represented by two dots in the circuit diagram.

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