Which component is an active device?
A: resistor
B: capacitor
C: transistor
D: inductor
A: resistor
B: capacitor
C: transistor
D: inductor
举一反三
- 常用的理想电路元件中，储存电场能的元件是（ ）Among the common ideal components, ( )stores lectric-field energy is () A: 开关switch B: 电阻resistor C: 电容capacitor D: 电感inductor
- 常用的理想电路元件中，储存磁场能的元件是（ ）Among the common ideal components, the one storing magnetic field energy is () A: 开关switch B: 电阻resistor C: 电容capacitor D: 电感inductor
- Which component in the ignition circuit provides high voltage in the secondary circuit? A: Ballast resistor B: Ignition coil C: Battery D: Ignition distributor
- A transistor is a current controlled device
- Which component is the heart of the air condition<br/>system __? A: Receiver B: Compressor C: Condenser D: Metering device