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动态电路泛指含有可变电阻器、半导体类电阻(利用半导体对声、光、热、压、气等敏感的特性制成的电阻)、开关等控制元件的电路.这种电路的特点是:①可通过改变变阻器接人电路的阻值或声、光、热、压力等的有无与强弱变化来改变电路中的电阻;②通过开关的通断,使电路结构发生变化,进而使电路中的电阻发生变化.这类电路均为电阻变化引起电
Dynamic circuit Refers to the circuit containing variable resistors, semiconductor resistors (resistors made of semiconductors that are sensitive to acoustic, optical, thermal, pressure, gas, etc.), switches, etc. The circuit features: ① by changing the rheostat access circuit resistance or sound, light, heat, pressure and other changes in the presence and absence of strength to change the resistance of the circuit; ② through the switch off, the circuit structure changes, and thus make the circuit In the resistance changes in these circuits are caused by resistance changes in electricity