“DIODE-0.4”是________元件的封装，0.4表示________尺寸，大小为____mil，即____mm
“DIODE-0.4”是________元件的封装，0.4表示________尺寸，大小为____mil，即____mm
The diode used in lighting system and display is ( ). A: zener diode B: rectifier diode C: schottky diode D: LED
The diode used in lighting system and display is ( ). A: zener diode B: rectifier diode C: schottky diode D: LED
The characteristic of an ideal diode are those of a switch that can conduct current（ ） .
The characteristic of an ideal diode are those of a switch that can conduct current（ ） .
This ______ must be kept within accepted limits, or the diode will suffer physical damage.
This ______ must be kept within accepted limits, or the diode will suffer physical damage.
发光二极管 LED (Light Emitting Diode)的工作条件是反向偏置。
发光二极管 LED (Light Emitting Diode)的工作条件是反向偏置。
A major application of the diode is in the production of a dc voltage from an ac supply, ______ as rectification.
A major application of the diode is in the production of a dc voltage from an ac supply, ______ as rectification.
LED的中文全称为发光二极管，是英文Light Emitting Diode的缩写。
LED的中文全称为发光二极管，是英文Light Emitting Diode的缩写。
下列哪些光源属于激光光源？ A: 激光笔 B: 探照灯 C: Laser Diode D: LED
下列哪些光源属于激光光源？ A: 激光笔 B: 探照灯 C: Laser Diode D: LED
Which of the following type of lamp is used for heating a fuser？（） A: Xenon B: Halogen C: Incandescent D: Light Emitting Diode
Which of the following type of lamp is used for heating a fuser？（） A: Xenon B: Halogen C: Incandescent D: Light Emitting Diode
下列器件中，属于电流型的器件有（ ） A: SCR B: BJT C: P-MOSFET D: Diode
下列器件中，属于电流型的器件有（ ） A: SCR B: BJT C: P-MOSFET D: Diode