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众所周知,电路中电阻是普遍存在的,电阻不管阻值大小对电路的工作都有一定的影响,生活实践中,有的电阻对实际工作的影响很小,我
As we all know, the resistance in the circuit is ubiquitous, and the resistance has a certain impact on the work of the circuit regardless of the size of the resistance. In practice, some resistors have little impact on the actual work. I