A resistor is any device that , when you pass current through it , creates a voltage .
电阻是任何当电流通过时都能产生电压的元件。
The resistor and the capacitor together were the timer and the transistor worked as the switch .
电阻器和电容器一起组成计时器,晶体管作为开关。
American engineer wilson greatbatch was working on a gadget that recorded irregular heartbeats , when he inserted the wrong type of resistor into his invention .